UNIT 9 HOW DO HOMING PIGEONS FIND HOME？
GLOSSARY
ability n. power and skill， esp. to do， think， act， make etc. 能力，才能
accurate a. free of mistakes； exactly correct 准确的；精确的
biology n. the scientific study of living thing 生物学
blur v. make difficult to see （through or with） clearly 把…弄得模糊不清
brass n. a very hard bright yellow metal， a mixture of copper and zinc 黄铜
built-in a. internally fixed 内在的，固定的
compass n. an instrument for showing direction， usu. consisting of a free-moving magnetic needle which always moves to point to the north 指南针
complex a. difficult to understand or explain 难以理解的；复杂的
extra a. beyond what is usual or necessary 额外的
measure v. find the size， length， amount， etc. 量；测量；估量
messenger n. a person who brings one or more pieces of information 送信者；使者
mystery n. sth. which can not be explained or understood 神秘的事物；难以解释的事物
navigate v. direct the course of （ a ship， plane， etc.） 导航
overcast a. dark with clouds 多云的；阴暗的
race v. compete in speed 比速度；参加竞赛
shift v. change in position or direction； move from one place to another 转变；转移
biological clock 生物钟
gelatin n. 动物胶
magnetic a. 有磁性的
10 WALKING IN SPACE
GLOSSARY
astronaut n. a person who travels through space in a space vehicle 宇航员
attain v. reach 到达
comparable a. capable of being compared 可比较的
conquest n. gaining control over 征服，赢得
cosmos n. the whole universe 宇宙
crush v. press or be pressed， so that there is breaking or injury 压碎，榨
demonstrate vt. show clearly by giving proofs or examples 表演，演示
deprive v. take away from； prevent from using or enjoying 剥夺，使丧失
diffuse v. cause to spread out freely in all directions 使扩散，使渗出
directly ad. straightly 直率地
disappointed a. sad at not getting what was hoped for 失望的
disk n. round， flat-like object 圆盘状物
distance n. the amount of separation in space or time 时空上的距离
drift v. float or be driven along by wind， waves or current 漂移，使漂流
equip v. provide with what is necessary 装备，配备
feat n. noteworthy achievement 功绩
gravity n. force of attraction between any two objects， esp. that force which attracts objects towards the centre of the earth 引力，重力
inkling n. hint 暗示、细微的迹象
permit v. allow 允许
phenomenon n. fact or event that appears to or is perceived by the senses 现象
previous a. happening， coming or being earlier in time or order 先前的，过早的
realm n. complete domain 领域，范围
relief n. elevation of land surfaces 地势的起伏
resemble v. look or be like 像，类似
resistance n. force opposed to anything moving 抵抗力，阻力
revolution n. circular movement round a fixed point 旋转，绕转
revolve v. spin or go round in a circle 旋转，绕转
simultaneously at the same time 同时地
spaceship a vehicle able to travel in space 宇宙飞船
subject （to） v. bring under control； cause to undergo or experience； expose 使隶属；使遭受；使暴露
swell up increase in fullness and roundness 膨胀
twinkle v. shine with a light that gleams unsteadily 闪烁，闪耀
wanderings n. movement from place to place 漫游，闲逛
bellows n. 风箱
gravitation n. 万有引力，地心引力
satellite n. 卫星
shutter n. （照相机）快门
velvet n. 天鹅绒
UNIT 12 DO WE NEED EXTRA VITAMINS？
GLOSSARY
appetite n. physical desire for food 食欲
application n. use应用
arise v. come into existence； appear 出现
attendant a. connected with 伴随的；有联系的
authority n. the power or right to make others obey and believe 权；权力
category n. division or class in a complete system or grouping 种类
challenge v. question the lawfulness or rightness of 对…表示异议，怀疑
compensate v. give sth. to make up 弥补
confine v. restrict 限制
contender n. rival， competitor 竞争者；对手
deficiency n. the state of being short of 缺乏；不足
derive v. get 获得，得到
describe v. say what is like 描写；描述
dictate v. drive 驱使
element n. a small amount 小量
excrete v. get rid of waste from the body 排泄
genuine a. real 真正的
guardian n. one who is responsible for the care of a person and his property 保护人
indiscriminately ad. as one wishes 随心所欲地
individual n. a single being 个人
instinctively ad. subconsciously 本能地，下意识地
investigate v. make a careful study of 调查
junk n. material of poor quality 劣质品
lapse n. shortage 缺乏
mimic v. appear so like 酷似
pertinent a. relevant 有关的，相干的
potent a. strongly effective 有效力的
prudent a. careful 谨慎的；小心的
purchase n. buying 买
relieve v. lessen 减轻
replace v. take the place of 取代
resort n. the thing offering help 所求助的东西
rubbish n. waste material 垃圾；废物
safeguard n. the thing to give protection 保护物
scarcely ad. almost not 几乎不
super a. wonderful 极好的
supplement n. sth. added 添加物
teetotaler n. one who never touches wine 滴酒不沾的人
trial n. testing 试验
ubiquitous a. appearing or existing everywhere 无处不在的
calory n.（热量）卡
carbohydrate n. 碳水化合物
clinical a. 临床的
density n. 浓度
dose n. 剂量
hamburger n. 汉堡包
mineral n. 矿物质
nutrition n. 营养
nutritious n. 营养的
pizza n.（意大利）馅饼
placebo n.安慰药
prophylactic a. 预防性的
protein n. 蛋白质
psychological a. 心理上的
psychology n.心理学
snack n. 快餐
symptom n. 症状
therapeutic a. 治疗的
therapy n. 疗法
urine n. 尿
vitamin n. 维生素
UNIT 11 DO WE NEED EXTRA VITAMINS？
GLOSSARY
appetite n. physical desire for food 食欲
application n. use应用
arise v. come into existence； appear 出现
attendant a. connected with 伴随的；有联系的
authority n. the power or right to make others obey and believe 权；权力
category n. division or class in a complete system or grouping 种类
challenge v. question the lawfulness or rightness of 对…表示异议，怀疑
compensate v. give sth. to make up 弥补
confine v. restrict 限制
contender n. rival， competitor 竞争者；对手
deficiency n. the state of being short of 缺乏；不足
derive v. get 获得，得到
describe v. say what is like 描写；描述
dictate v. drive 驱使
element n. a small amount 小量
excrete v. get rid of waste from the body 排泄
genuine a. real 真正的
guardian n. one who is responsible for the care of a person and his property 保护人
indiscriminately ad. as one wishes 随心所欲地
individual n. a single being 个人
instinctively ad. subconsciously 本能地，下意识地
investigate v. make a careful study of 调查
junk n. material of poor quality 劣质品
lapse n. shortage 缺乏
mimic v. appear so like 酷似
pertinent a. relevant 有关的，相干的
potent a. strongly effective 有效力的
prudent a. careful 谨慎的；小心的
purchase n. buying 买
relieve v. lessen 减轻
replace v. take the place of 取代
resort n. the thing offering help 所求助的东西
rubbish n. waste material 垃圾；废物
safeguard n. the thing to give protection 保护物
scarcely ad. almost not 几乎不
super a. wonderful 极好的
supplement n. sth. added 添加物
teetotaler n. one who never touches wine 滴酒不沾的人
trial n. testing 试验
ubiquitous a. appearing or existing everywhere 无处不在的
calory n.（热量）卡
carbohydrate n. 碳水化合物
clinical a. 临床的
density n. 浓度
dose n. 剂量
hamburger n. 汉堡包
mineral n. 矿物质
nutrition n. 营养
nutritious n. 营养的
pizza n.（意大利）馅饼
placebo n.安慰药
prophylactic a. 预防性的
protein n. 蛋白质
psychological a. 心理上的
psychology n.心理学
snack n. 快餐
symptom n. 症状
therapeutic a. 治疗的
therapy n. 疗法
urine n. 尿
vitamin n. 维生素