空气中所含的氮的比例是多少?What is the percentage of nitrogen in air?作物收获后, 他测定了作物中氮的含量.After harvesting the crops , he tested them for nitrogen content.不含碱性氮的化合物包括吡咯 、 吲哚 、 咔唑和苯咔唑.Non - basic nitrogen - containing series include pyr...
These are sweeping generalisations, of course, but you get the point.切忌以偏概全, 当然, 又得抓住要点.He is making sweeping generalisations to get his point across.为了让大家领会他的观点，他正在作全面的概括。But suicide is a mysterious phenomenon; it defie...
这是 七十五 岁 、戴助听器老人耳中的同一辆卡车.This is what the same truck sounds like to a 75 - year - man with a hearing aid.戴一小时的耳机,耳中的细菌可以增加700倍?Wearing headphones for an hour will increase the bacteria in ear by 700 times....
The forest below him seethed and teemed with life...他下面的森林里处处生机勃勃。A balcony overhangs the door below it.阳台悬于其下方的楼门之上.The material below is a distillation of his work.下面的材料是他工作的摘要。Ships, Offshore and Marine Strutures : Ab...