与纯电动汽车不同，混合动力车永远不需要接电源。Hybrids, unlike pure electric cars, never need to be plugged in.电动汽车迷们说，电动车清洁、无噪音而且经济。Fans of electric cars say they are clean, quiet and economical.电动轮椅在这里很罕见。Motorized wheelchairs are a rarity he...
海水中盐的含量是多少?What is the concentration of salt in sea water?无机碱盐水溶液的饱和点通常随着温度和浓度的升高而降低,这将造成皂化剂中盐的析出,形成坚固的水垢.This causes the salt to drop out of solution, with net effect being a harden scale.本文简单地介绍了减少制革过程中盐污染的几种方法.Thus , ...
黑板擦干净了.The blackboard has been wiped clean.老师建议我们课后把黑板擦了.The teacher suggested that we ( should ) clean the blackboard after class.你可以用黑板擦把粉笔印擦掉.You can rub out the chalk marks with the eraser....
Quelling her grief, she said'Good - bye!'again and went on.她把悲痛压下去, 二番说了一声再见, 又转身走去了.If you lend him money, you can kiss it good-bye.如果你借给他钱,你就甭想他还你。So it was good - bye to Chou Chung - wei's castles in th...