consist of be made up of 由…构成;由…组成
contrast vt. compare so that differences are made clear 对照;比较
creature n. a living animal 生物;动物
deform vt. spoil the form of; spoil the appearance of 损坏…的形状;使变丑
evolve vi. develop gradually 进展;进化
evolutionary a. 发展的;进化的
extinct a. no longer in existence 灭绝的;绝种的
grime n. a surface of thick black dirt (表面上的)积垢
hypothesis n. idea which is thought suitable to explain the facts about sth. 假设;前提
investigate v. make a careful study of 调查研究;调查
mutation n. change in the cells of a living thing (细胞的)变异
mystery n. sth. that can not be explained or understood 神秘的事物;不可思议的事物
opposite a. contrary or entirely different 相反的;对立的
predator n. animal living by killing and eating other animals 捕食者;捕食其它动物者
prey v. take or hunt as food 捕猎
n. an animal that is hunted and eaten by another animal 被捕食者
recapture v. take or make prisoner again 重获;夺回
reject v. refuse to accept 拒绝;抵制
release v. set free 释放;解放
reproduce v. bring forth as offspring; produce the young of 繁殖;生殖
soot n. black power left by smoke on surface 煤烟;烟灰
suppose v. let it be thought that 猜想;想象
survival n. the fact or likelihood of surviving 幸存;残存;存活
survive v. continue to live, esp. after coming close to death 幸存;活下来
trunk n. the main stem of a tree 树干
vice versa the other way round 反过来
visible a. that can be seen 看得见的,可见的
chameleon n. 变色晰蜴;变色龙
chromosome n. 染色体
gene n. 基因
genetic a. 基因的;遗传学的
percentage n.百分比
UNIT 8 WHAT ARE COMPUTERS?
GLOSSARY
achievement n. sth. successfully finished or gained, esp. through skill and hard work 完成,成就
advance n. development or improvement; forward movement 前进,进展
attach vt. fix; fasten; join 缚,系
carving n. making by cutting 雕刻
count vt. tell or find the total number of 数数,计算
distract v. draw sb.‘s attention away from sth. 使(人)分心
distribute v. give out or deliver; divide among several or many 分发,分配
fraction n. a very small piece or amount 碎片,小部分
gather v. obtain bit by bit 收集
imitate v. take as an example; make a likeness of 模仿
industrialize vt. cause to become industrially developed 使工业化
keep track of keep oneself informed about a person, state of affairs, etc. 使自己了解情况