Light fittings with metal parts should always be earthed.有金属部件的照明装置都应该走地线。It is desirable that compensating cables be run in earthed conduit.补偿导线最好在地下管道中穿过.He carefully earthed up the roots of the newly - planted tree.他仔...
较轻的推进器采用液态氢, 较重的采用自燃推进剂.The lighter version used liquid hydrogen, the heavier used hypergolic propellants.这个工厂为弹道导弹生产推进剂。The factory produces propellant for ballistic missiles.挤压 式 发动机对推进剂中溶解的气体特别敏感.Pressure - fed engine...
They are almost as expeditious and effectual as Aladdin's lamp.他们几乎像如意神灯那么迅速有效.This is the only effectual way to secure our present and future happiness.这是确保我们现在及以后都会幸福的唯一有效途径。It also needs effectual in spiriting an...
牧羊人和牧羊狗把羊群赶到一块.The shepherd and his dog gathered in the sheep.牧羊狗保护羊群不受危害.The sheep dog protects the sheep from danger.就趁着林敦正注视着一只和善的牧羊狗的时候溜出去了.I slipped out, while Lindon was engaged in timidly rebuilding the advances o...
We had to backtrack to the corner and cross the street.我们不得不原路返回到拐角处过街。Can we just backtrack a little bit and look at your primary and secondary education?我们能不能回过头来谈谈你的小学和中学教育？Air cargo loading problem by backtrack algor...
双簧管和单簧管有些相似之处。The oboe and the clarinet have got certain features in common.我鼓励演奏双簧管和单簧管的乐手们多使用颤音。I encourage oboe and clarinet players to use plenty of vibrato.钢琴、双簧管及大管三重奏a trio for piano, oboe and bassoon...
两只小鸟一出壳就离开了巢穴。As soon as the two chicks hatch, they leave the nest burrow.他发现自己在流氓的巢穴中.He finds himself in a den of ruffians.他们把潜艇困在巢穴里,使其无法出击.They bottled up the submarines in their nest....
The old man was showing unmistakable signs of senility.老人已老态毕现。He didn't give his name, but the voice was unmistakable.他没留下姓名，但是那个声音是绝不会错的。Her accent was unmistakable.她的口音是很明显的。...