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鳄鱼 n. crocodile; alligator。

永垂不朽 adj. immortal; everlasting。n. immortality; eternal

强迫 v. force; enforce; exact; compel; pressure; oblige

弃暗投明 idiom abandon darkness for light; defect to the si

nipple n. 乳头，奶头；奶嘴

environment n. 自然环境，生态环境；周围状况，条件；工作平台，软件包

nucleus n. 原子核；细胞核；核心，中心；神经核；（彗星的）核

却 conj. but; yet; however; nevertheless; nonetheless

蜘 n. araneid; spider。

订购 v. order; subscribe; book; place an order; send fo

驼色 n. camel; camel color; the colour of camel's hair;

偏旁 n. radical; component; character component; side e

gagman n. 笑料作者；喜剧演员

却步 v. hesitate; flinch; recoil; retreat; shrink back;

跺 v. stamp one's foot。