Stains are removed with buckets of soapy water and scrubbing brushes.污渍是用几桶肥皂水和几把硬毛刷除去的。He worked as a door-to-door salesman peddling cloths and brushes.他的工作是上门推销抹布和刷子。You can buy brushes, paint, varnish and suchlike the...
Dust on the surface brushes off easily.表面的灰尘容易掸掉。After that, he washes and brushes, and tidies up his room.然后, 她洗漱, 并整理他的房间.This kind of mud brushes off easily when it dries.这种泥土干后很容易刷净。He picked his brushes and palette....
采用两步交联法合成了可生物降解聚天冬氨酸水凝胶.Biodegradable poly ( L - aspartic acid ) hydrogels were synthesized by a two step cross - linking reaction.智能水凝胶作为药物载体有着良好的应用前景.Intelligent hydrogels have enormous potential in the application as ...
Outdoors, mosquitoes and midges were a perpetual torment.在户外，蚊子和蠓虫永远让人不得安生。The breeze died away; midges began to bite.风息了; 蛟蚋开始叮人.Methods: To collect midges with bed - curtain , insect net and light trap.方法: 采用帐诱、灯诱和挥网采集...