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- jewel block (船的)信号吊绳滑车
- 聪明的学生学得快。（反dull笨）A bright student learns quickly.
- 粳稻低直链淀粉dull基因的遗传分析Genetic Study on Dull Gene Controlling the Low Amylose Content in Japonica Rice
- 深潭表面上青绿的浮藻给人一种假象，好象草地被转移了（约翰 洛恩罗普莫 特利）。剩下的几个词如feign，fake和都暗示有某种程度的虚假。.verdant scum upon the surface of deep pools simulated the turf that had been removed(John Lothrop Motley.The remaining terms-feign, fake, and counterfeit -all imply at least a measure of deliberate sham.
