VERB
經(jīng)歷；接受；遭受；忍受
If you undergo something necessary or unpleasant, it happens to you.
例句
New recruits have been undergoing training in recent weeks...
最近幾周，新兵正在接受訓(xùn)練。
He underwent an agonising 48-hour wait for the results of tests.
他苦苦等待了48個小時，化驗結(jié)果才出來。