The sick man can't keep anything down.这个病人无法使任何东西不吐出来。He got sick easily since he was young , what a valetudinarian!他从小就容易生病,是个病秧子.Chronically sick pigs often suffer from a partial alopecia characterized by a thinni...
As we fall asleep the amplitude of brain waves slowly becomes greater.进入睡眠状态时，我们的脑电波振幅慢慢变大。The amplitude of the vibration determines the loudness of the sound.振动幅度的大小决定声音的大小.The foreground for the cooperation between Chi...
This year we're going trekking in Nepal.今年我们准备去尼泊尔远足。She can't come pony trekking after all because she's in a delicate condition.她结果还是不能坐小马车旅行,因为她已怀孕.When we think of adventurers, many of us conjure up im...