Germylsilans
鍺烷基硅烷類
??? 情景例句
I need a haircur, what would you recommend?
我要剪個發，你有什么好建議？
To pull a trailer
拖汽車房屋
I lent a pan to you two weeks ago. I've come to get it back again.
兩個星期以前我借了一只鍋給你。我來拿我的鍋。