Development of such distributed feedback heterostructure lasers requires crystal growth on corrugated layers.研制这种分布反馈双异质结构激光器要求在皱折层上生长出单晶层.We produce metal plates and corrugated sheets in different thicknesses.我们生产不同厚度的金...
Aunt Emilie darned old socks...埃米莉姨妈织补旧袜子。Emilie: I suppose I'll be coming back. I just don't know when.艾米莉: 我想我会回来的. 只是不知道什么时候才回来罢了.Emilie: Well there are always youth hotels, and you can economize there.艾米莉: ...
不要再去抱怨那些你本该忘记的人或事.Don't bemoan anything or anyone that you need to leave behind.贝利经常因某些人或事而心情不佳.Billy is always out of sorts with someone or something.让我们想想所有该感谢的人或事.Let's think about all the things we have to ...
Civil war in the Sudan has been grinding on for nine years.苏丹内战已经持续了9年之久。"Well," I said, grinding my cigarette nervously into the granite step.“好吧，”我边说边紧张不安地把香烟在花岗岩台阶上捻灭。Tanks had crossed the border at five fifteen and w...
The arrival of large supermarkets sounded the death knell of many small local shops.大型超市的出现宣告了许多地方小商店的终结.Our favourite by a long way was the supermarkets' own brand.我们的最爱绝对是超市的自产品牌。American shopping malls and superm...
She stood up and began to pace to and fro.她站起身，开始来回踱步。The boat was rocking gently to and fro in the water.小船在水中轻轻地来回摇荡。They travel to and fro between London and Paris.他们奔走于伦敦和巴黎之间....