Aircraft production continued to plod along at an agonizingly slow pace.飞机制造业仍旧举步维艰，发展速度之缓很让人头疼。He was destined to plod the path of toil.他注定要在艰辛的道路上跋涉.They had to plod wearily on up the hill.他们不得不迈着疲倦的步子登上山....
If I don't send a picture, he will smell a rat.如果我不寄出照片，他将有所察觉。They were accused of encouraging children to rat on their parents.他们被指控唆使儿童告发自己的父母。The brown rat has prominent ears and a long scaly tail.那只棕鼠两只耳朵向前支着，一...
我们听到一颗子弹的尖啸声.We heard the zip of a bullet.我们对于电话的叮铃声,警笛的尖啸声之类使人紧张的情况总要作出反应.We react to stresses such as the jangle of telephones or the wailing of police sirens.喷射机的尖啸声侵犯了下午的平静.The screech of jet planes violated the peac...