Water in the engine compartment is sucked away by a hose.发动机舱里的水由一条软管抽走。In 1941, the train would have been pulled by a steam engine.1941年，火车本可以由蒸汽机车拉动。Two of them got out to fiddle around with the engine.其中两人下车鼓捣引擎。...
Then suddenly, the engine coughed, spluttered and died.接着，发动机突然咔咔地响了几声，然后就熄火了。Other niceties are a reversing safety camera, an engine start button and keyless entry.其他细节是扭转安全摄像头, 发动机启动按钮和无钥匙进入.After the train got to the ...
The academic year commences at the beginning of October...学年于10月初开始。The academic year commences at the beginning of October.学年于10月初开始。These substances are slowly depleted as the embryo commences to grow.随着胚开始生长,这些物质也慢慢用尽...
因为这时流动可成为音速流动,所以这些小孔本身有一种节制作用或稳定化作用.The holes themselves have a restricting or stabilizing effect because flow may become sonic.本书的主要内容是介绍聚合物稳定化的基本方法.The primary purpose of this book is to present a fundamental approach ...
Bluetongue occurs in most species of ruminants , both domestic and wild.蓝舌病发生于大多数家生的和野生的反刍动物.The pathogenesis of bluetongue is inadequately understood.人们对蓝舌病的发病机制还不完全了解.The bluetongue virus replicates in the insect.蓝舌病病毒...