I'm a blood donor; I can't risk any contagion.我是献血者，我不能冒任何接触传染的危险。The marrow donor is her 14-month-old sister.骨髓捐献者是她14个月大的妹妹。AID or artificial insemination by a donor他精人工授精...
He had a reputation for being bloody-minded and difficult.他为人刻薄、难相处是出了名的。I have a fair idea of how difficult things can be.我大致了解情况会有多困难。It would be difficult to find two men who were more dissimilar.很难找到彼此间差异更大的人了。...