occur when翻译

occur when的基本解释

读音: 美: 英:

当……发生时：用于描述某个事件或情况发生的时间或条件。

例句

Ulcers occur when the stomach's natural acids eat into the lining of the stomach.胃酸腐蚀胃壁时，就出现了溃疡。《柯林斯英汉双解大词典》
Social learning in animals is said to occur when direct or indirect social interaction facilitates the acquisition of a novel behavior.据说动物的社会学习是在直接或间接的社会互动促进获得新行为时发生的。
Strokes and heart attacks occur when blockages in the arteries supplying the brain or heart muscles cut off the supply of blood to tissues.当供应大脑或心脏肌肉的动脉阻塞，进而切断组织血液供应时，就会出现中风和心脏病发作的情况。

短语

When problems occur 当有问题发生时
When Disasters Occur 只要灾害发生
When They Occur 当梅毒发作
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