Wood does not sink in water.木头不会沉入水中.Anything anybody said to him to try and buck him up wouldn't sink in.任何人对他说的任何劝他振作起来的话都不会起作用。Hagen let this sink in.老头子的这个分析在黑根的思想上留下了深刻的印象....
In the last 30 years, both sexes have performed a somersault in terms of expectations, roles and relationships.最近 30 年里，男性和女性在个人期望、社会角色和人际关系方面都发生了 180 度的大转变。Sleep conflicts seem to be bound up with fundamental biological...
鱼的腹鳍a fish's ventral fin腹鳍 对应着四足动物的后肢.Ventral ( or pelvic ) fins correspond to the hind limbs of a quadruped.这快速流动的气流为腹鳍提供了额外的升力.This faster - moving air provides the pelvic fin with additional lift....
Infrared detectors have many uses.红外探测器有多种用途。The report advocated that all buildings be fitted with smoke detectors.报告主张所有的建筑物都应安装烟火探测器.This is heady wine for experimenters using these neutrino detectors.对于使用中微子探测器的实验工作者...