提出了一种干柱层析法 分离提纯 试剂对氨基偶氮苯的新方法.A new method for separating and purifying p - AAB ( p - aminoazobenzene ) by dry - column chromatography is developed.偶氮苯侧链液晶聚合物.Azobenzene side - chain liquid crystalline.必须通过偶氮,(苯)酚类,有机氯试剂,...
您知道，会有那么一些人，因为命运捉弄而落得无家可归。There are those, you know, who, by circumstance, end up homeless.很多人在战火中丧生，更多的人则落得无家可归。Hundreds have been killed in the fighting and thousands made homeless.数百人落得无家可归。Hundreds were made homeless...
Water in the engine compartment is sucked away by a hose.发动机舱里的水由一条软管抽走。He uncoiled the hose and gave them a thorough drenching.他把软管铺展开来，把它们彻底冲洗了一下。dressed in doublet and hose穿着紧身衣裤...
When police realised who he was, they asked for an autograph and let him off with a warning.警察知道他是谁后，便向他要了签名，然后只给了他个警告就放他走了。She confusedly realised this reversal of her attitudes, but could not make out what it portended...
我熄掉引擎，靠惯性转过弯去。I switched off the engine and coasted round the corner.飞机靠惯性着陆.Inertia carried the plane onto the ground.惯性使汽车驶到了人行道上.Inertia carried the car to the pavement....