- 释义：
- n. 发生，出现；事件
- 构词：
- occur[v.发生,出现;存在;想起,想到]+ence表名词→occurrence发生,出现
- 例句：
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The occurrence of the disease is apparently related to standards of hygiene.
这种病的发生率显然与卫生状况相关.
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The occurrence of such things is by no means fortuitous.
出现这种问题绝不是偶然的.
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A matter of repeated occurrence like this will not astonish people.
这样司空见惯的事,不会使人吃惊.
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