This became known as the streak method for isolating bacteria.这个方法以后就称为分离细菌的划线法.Air - conditioning ducts create a perfect Legionnaire's disease bacteria.空调系统 的输送管则是军团病细菌的绝佳温床.This method is effective to the facultat...
Warm milk is the ideal breeding ground for bacteria.温牛奶是细菌理想的滋生地。Bacteria reproduce by dividing and making copies of themselves.细菌通过分裂和自我复制来繁殖。Chlorine is added to kill bacteria.加氯是为了杀死细菌。...
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...
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....
This machine is mainly composed of degreaser, mixer, oscillating screener, lifting and conveying device, etc.本设备主要有脱油机、调料机 、 振动筛 、 提升输送装置等组成....a three channel audio mixer.有3个频道的音频混合器The new stirring kneader is a new typ...
The housemaid eavesdropped from behind the kitchen door.女佣在厨房门后偷听。The daily housemaid hoovers the carpet every other day.白天做工的保姆每隔一天用真空吸尘器把地毯弄干净.My grandmother used to work below stairs as a housemaid when she was young....
The analogue signals from the video tape are converted into digital code.采自该录像带的模拟信号被转换成数字代码。No model can ever be a perfect analogue of nature itself.任何模型都无法完全模拟自然本身。With respect to analogue data ; to place it in digital...