She was dancing while someone substituted at the piano.她在跳舞,别人代她弹钢琴.The synthesis methods of melatonin, related tryptaminetryptamine derivatives and substituted indoles are discussed.从人工合成的角度综述了美乐托宁及有关化合物色胺、色胺衍生物及吲哚衍生物的制...
注意不要乱花钱,用钱要有个预算.See that you are careful with money and work to a budget.用钱不要那样小手小脚!Don't be so stingy with the money!他用钱吝啬.He is niggardly of money....
I hear she's going to sell out and move to the city.我听说她打算变卖家当，搬到这座城市。He toured for nearly two years and played 500 sell-out shows.他巡回演出了近两年，500场演出场场爆满。Football games often sell out well in advance.足球比赛经常在开赛前很久票就已经售...