| 例句 |
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。More blood donors are urgently needed.迫切需要更多的献血者。All blood donors are screened for AIDS.所有献血者都须接受艾滋病筛查。The blood donor service complains that it has always been treated as a poor relation within the Health Service.献血者服务处抱怨说它一直都被当作是卫生部中一个不受重视的部门。Donors give blood twice a year.献血者一年献血两次。 |