1·The company allowed members of the research team to sift out stones not deemed to be of gem quality.
这家公司允许研究小组的成员筛除被视为没有达到珠宝质量的石头。
2·Sift out the wheat from the chaff.
把小麦的壳筛出来。
—— 《新英汉大辞典》
3·Sift together the plain flour, cornstarch and cocoa powder together into a separate bowl. Add half of the flour mixture to the butter mixture and beat on low speed until just combined.
筛面粉、米粉和可可粉到一个碗里，加一半的面粉混合物到黄油混合物，低速拍打完全混合。
4·Sift in the sugar and mix briefly, the add the egg yolks. Bring together to form a firm dough.
筛进白糖，简单拌一下后就可以加入蛋黄，揉成一个硬面团。
5·For the chocolate cookies, sift together the flour, cocoa powder, baking powder, bicarbonate of soda and salt. Set aside.
制作巧克力饼时，把面粉、可可粉、烘焙粉和小苏打粉放在一起筛过，备用。