高聚物都是由共价链联接原子而形成的长链分子所组成.Polymers consist of long molecular chains of covalently bonded atoms.同函奉上10箱货物共价5000美元的发票一张.Enclosed we hand you an invoice, $ 5 , 000, for 10 cases goods.另外蛋白质的共价修饰可对某些蛋白质的运动产生影响.Additionally, c...
他们将把肉当作宠物食品卖掉。They would sell the meat off as pet food.我把我所有的东西都卖掉了，只剩下汽车和书。I sold everything I owned except for my car and my books.他想卖掉土地离开这里，这有什么错呢？What's wrong with his wanting to sell his land and move on?...
他笑容忧郁地凝视着我，闪亮的眼睛里空无一物。He fixed me with those luminous, empty eyes and his melancholy smile.我不愿意伸手去抓那闪亮的黄铜门环，怕把它弄脏。I felt loath to sully the gleaming brass knocker by handling it.一辆闪亮的黑色豪华大轿车在路边停下。A large, shiny black lim...