The silicone quaternary was synthesized reaction of - H silicone, unsaturated - ether, chloroacetic acid, dimethylamine.以低含氢硅油 、 不饱和聚醚 、 一氯乙酸和二甲胺为原料, 制备得阳离子有机硅油.Amphoteric monomer is prepared with acrylic acid , dimethyl...
a poor kid growing up in the ghetto在贫民区长大的穷孩子One of the most atmospheric corners of Prague is the old Jewish ghetto.古老的犹太人社区是布拉格最具特色的角落之一。Racism and crime still flourish in the ghetto.城市贫民区的种族主义和犯罪仍然十分猖獗。...
Dishonesty is ultimately self-defeating.弄虚作假最终会自食其果。Most people enjoy reading about deceit and dishonesty in high places.多数人喜欢阅读有关上层阶层中尔虞我诈的作品.He has a bad name on account of his dishonesty.他因不诚实而声名狼藉....
My primary frustration with this book is the many typographical errors.我最感失望的是，本书有许多的印刷错误。From time to time stock errors or typographical mistakes may occur.不时股票错误或排印错误可能发生.Copyright for the typographical arrangement of ...
All deck fittings, windows, hatches and doors had been fastened.甲板上所有的装置、窗户、舱口盖和门都已经关牢了。Steamers tooted at us as sailors on deck waved in amusement.汽船向我们嘟嘟鸣笛时，甲板上的水手们饶有趣味地挥着手。This boat has a good deck layout making every...
Toothpaste is stock merchandise in a drugstore.牙膏是杂货店里的常备商品.They're between the drugstore and the restaurant.在药店和饭店的中间就是....the pharmacy section of the drugstore.杂货店的药房I will bring stuff from the drugstore for your ...
Boston ivies crawl along the wall.爬山虎在墙上蔓延.She slowed the car to a crawl.她把车开得很慢。I began to crawl on my hands and knees towards the door...我开始手脚并用朝门口爬去。Don't worry if your baby seems a little reluctant to crawl or w...