The bank has made out an irrevocable letter of credit.银行开出了不可撤销的信用证[状].I'd like to draw 100 yuan against this letter of credit.我想从这份信用证上提款100元.May I draw money against the letter of credit here?我可以在这儿用这份信用证取钱 吗 ?...
He was so happy communing with the dolphin in Dingle Bay.他在丁格尔湾与海豚交流的时候特别开心。Like the best stories, this one may yet have a happy end.就像最精彩的故事那样，这个故事也许仍会有个美好的结局。I wasn't too happy with what I'd written so far.我对...
Butyraldehyde 1,2 proparediol acetal was synthesized by using stannous chloride as catalyst.以非质子酸氯化亚锡为催化剂,催化合成了丁醛-1,2-丙二醇缩醛.Butyraldehyde 1,2 propanediol acetal was synthesized by using stannous chloride as catalyst.以非质子...