| 例句 |
The number of operations may have to be limited unless more blood donors come forward.除非有更多的人自愿来捐血，否则只能限制手术的数量。Giving blood is perfectly safe. All equipment is sterile, used once and thrown away.捐血很安全。所有用具都消过毒，用后即弃。The hospital collected more than 100 plasma bags from yesterday's blood donating activity.从昨天的捐血活动中，医院收集了超过一百袋的血浆。Aids has caused such a scare that fewer and fewer people are giving blood.艾滋病引起了那么大的恐慌，越来越少的人愿意捐血了。 |