have occurred翻译

have occurred的基本解释

读音: 美: 英:

已经出现,已发生:指某事情已经发生或出现。

例句

These changes have occurred over a long time span.这些变化经过了很长一段时间才形成。《牛津词典》
Similar incidents have occurred before.类似的事件以前也发生过。
That seems to have occurred first in Central America.这似乎首先发生在中美洲。
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