happen once翻译

happen once的基本解释

读音: 美: 英:

仅发生一次:表示某件事情只发生了一次,不会再次发生。

例句

The live-attenuated vaccine is considered the most effective, but there is a worry: what might happen once these viruses wake up?减毒活疫苗被认为是最有效的,但有一个问题:一旦这些病毒苏醒,会发生什么?
But if I see it happen once, I'm never going back.但是如果我碰巧看到一次,我就再也回不了家了。
"This will happen once," Zink said, "and then never again for many, many years."“这种事情只会发生一次,”津克说,“之后许多年之内都不会再次发生。”

短语

this happen once before 这已经不是第一次了
Everything Doesn't Happen at Once 凡事不可一蹴而就
happen to have met once 有一面之缘
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