一下子的英文：in a short whileall at onceall of a sudden参考例句：The axe sliced through the wood.斧头一下子把木头劈开了.The company was precipitated into ruin when the exchange rate dropped.汇率下降时,公司一下子破...阅读全文
阳离子交换柱的英文：cation exchange columncation是什么意思：n. 阳离子Study on synthsis application of cationic flocculant PDA阳离子絮凝剂PDA的合成与应用研究Abstract: Cationic and amphoteric flocculants have many a...阅读全文
吃亏的英文：suffer lossescome to griefget the worst of it参考例句：A bad compromise is better than a good lawsuit.吃亏的和解也比胜诉强。It is the careless man that will suffer;never will the prudent man...阅读全文
