一节沟槽a length of guttering一些砂洲和沟槽在低潮位时,露出于水面.Some of the bars and troughs are exposed by low tide.极耳产生一种 “ 压力 ” 作用与沟槽侧边相接触.The lug produces a " pinched " effect contact with the groove side....
这是一桩偶发的事件.It was quite an accident.事实已经很清楚，这件事不是偶发的，它并不是一起孤立的事件。It became very clear that the incident was not just an aberration, it was not just a single incident.克雅氏病通常以“个例 ” 形式而且在50岁以下的人中偶发.In its common'sporadi...
He drove his car through the gates at full pelt.他驾车急速通过大门。Gates responds with a lengthy discourse on deployment strategy.盖茨以一篇有关部署策略的鸿篇大论予以回应。One young policeman stood guard outside the locked embassy gates.一位年轻的警察在大门紧闭的...