1.
To happen at the same time or during the same period.
同时发生发生在相同时间或相同时期
2.
The incident happened two weeks ago
事件发生在两星期前。
3.
I'm sorry to say that it was not on route.
很抱歉，不是发生在途中，
4.
This will occur on you.
这将发生在你身上。
5.
It happened prior to my arrival.
这发生在我到达之前。
6.
The accident took place at the crossroads.
事故就发生在十字路口。
7.
The accident took place before ber eyes.
事故就发生在她的眼前。
8.
Occurring earlier in time.
较早发生的在时间意义上更早发生的
9.
there was a big fire in Edison's power plant.
在爱迪生的发电厂里发生了一起大火。
10.
be inactive or indifferent while something is happening.
在事情发生时漠不关心。
11.
at the scene of action.
在发生事情的地点的。
12.
Long hair is (all) the vogue for students.
现在学生流行留长发。
13.
the relation that exists when things occur at the same time.
同时发生的事情同存在。
14.
may occur in some areas.
它会在某些地区发生。
15.
existing or occurring between the sexes.
存在或发生于两性之间。
16.
being or occuring within a lung.
存在或发生于肺内的。
17.
fail to stop after an accident
在意外发生后没有停车
18.
occurring or operating at the same time.
在同一时间发生或操作。