to occur
01
发生, 出现
to come to be or take place, especially unexpectedly or naturally
Intransitive: to occur
语法信息
形态构成
简单词
动作动词
规则
现在时
occur
第三人称单数
occurs
现在分词
occurring
一般过去时
occurred
过去分词
occurred
例子
Natural disasters, such as earthquakes, frequently occur in seismic regions.
自然灾害，如地震，经常在地震带发生。
例子
Minerals like quartz and feldspar occur in many types of rocks.
像石英和长石这样的矿物在许多类型的岩石中出现。
词汇树
cooccur
occurrence
occurrent
occur
