哺乳本身刺激催乳激素的产生, 从而生产更多的乳汁.Nursing stimulates further production of prolactin and, therefore, of milk.这种激素的主要功能是控制生长.The main function of this hormone is to control growth.激素的应用是有争议的.The use of steroids is controversial....
I tried not to rip the paper as I unwrapped it.我把纸打开的时候，尽量不把它撕破。The firemen unwrapped their hoses and began dousing the scorched grain silos.消防员展开水龙带，开始冲着烧焦的谷仓喷水。He unwrapped a package.他打开包裹。That package you are carrying...
The new invention ensures the beer keeps a full, frothy head.这项新发明能保证啤酒始终保持丰富的泡沫。...frothy milk shakes.泡沫奶昔The chromosphere is a frothy layer churned up by gases in the photosphere.色球层在光球层气体的搅拌下是个多泡层.Beat the eggs up to ...