1.undergo 经历
New recruits have been undergoing training in recent weeks.
新兵们最近几周一直在接受训练 。
2.donor 捐赠者
Doctors removed the healthy kidney from the donor.
医生从捐献者体内取出了健康的肾脏 。
3.reliably 可靠地
It's been working reliably for years.
它多年来运转一直很稳定 。
4.resistance 抵抗力;免疫力
This disease is surprisingly difficult to catch, as most people have a natural resistance to it.
这种病令人惊讶的难以患上,因为大多数人对它有一种先天的免疫力 。