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- jewel block (船的)信號吊繩滑車(chē)
- 聰明的學(xué)生學(xué)得快。（反dull笨）A bright student learns quickly.
- 粳稻低直鏈淀粉dull基因的遺傳分析Genetic Study on Dull Gene Controlling the Low Amylose Content in Japonica Rice
- 深潭表面上青綠的浮藻給人一種假象，好象草地被轉移了（約翰 洛恩羅普莫 特利）。剩下的幾個(gè)詞如feign，fake和都暗示有某種程度的虛假。.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.
