他捡起一支铅笔,无所事事地摆弄着。He picked up a pencil and toyed with it idly.我想知道是谁在瞎摆弄这辆婴儿车。I'd like to know who's been messing about with the pram.男孩和女孩会喜欢摆弄各种机械装置。Boys and girls will enjoy messing about with any kind of ma...
抑制剂和促进剂能影响氧化速率.Inhibitors and promoters may affect the rate of oxidation.抑制剂和促进剂能影响氢化速率.Inhibitors and promoters may affect the rate of oxxidution.这种解释在指导改进粘结促进剂的研究上是有成效的.This explanation has been useful in guiding the s...
他在步枪口上安好了刺刀。He fixed a bayonet to the end of his rifle.枪口依然指着我。The bore of the gun remained fixed on me.那只老虎倒在了猎人的枪口下.The tiger fell to the hunter's gun....
a fraction with a numerator smaller than the denominator分子小于分母的分数The school syllabus seems aimed at the lowest common denominator.学校的教学大纲似乎是针对接受能力最差的学生制定的。Tabloid newspapers pander to the lowest common denominator.小报都竭力迎...
Some high - performance engines have two separate camshafts, one for each set of inlet and exhaust valves.一些高性能发动机有两个单独的凸轮轴, 分别负责开关进气门和排气门.The latter may be used with bypass or throttling valves in the tower water pipewo...