他以颤声演唱了民歌.He quavered out folk songs.有些鸟颤声鸣唱.Some birds trill their songs.她颤声朗诵给他听卢泊·布鲁克的十四行诗.In her trembling voice she read to him Rupert Brook's sonnet....
Both forms are readily gasified by electrical discharge without leaving any tangible residue.两种形态都易被放电气化而不剩任何可触察的残余.This cloth dyes easily [ quickly ; readily ] .这种布好 染.Oral contraceptives are readily available.口服避孕药容易得到...