occurvi.发生；存在；出现；想到Occurring without disruption.无事故的，正常的没有出现破坏的occurring at fixed intervals.在固定间隔中发生的。Occurring above ground or water.地面或水面之上发生的。occurring or payable every week.每周发生的或支付的。Occurring between glacial epochs.间冰期的发生于冰河时代之间的occurring or payable every month.每月发生的或支付的。occurring period of Pinus massoniana马尾松毛虫发生期occurring immediately after birth.紧接出生之后发生的。occurring or existing before birth.在出生之前发生或者存在的。Occurring suddenly or unexpectedly.突然发生的突然或出乎意料地发生的