occasion后面用什么介词

后面用介词of，例如：

1、He was presented with the watch on the occasion of his retirement.他在退休时获赠这块手表。

2、Her death was the occasion of mass riots.她的逝世引发了大规模的骚乱。

3、The wedding was an occasion of great festivity.这个婚礼是喜庆盛事。

1/occasion释义：

n. 时机，机会场合理由

vt. 引起，惹起

2/例句：

In such an emergent occasion， I had to jump out of the car.

在这种紧急时刻，我不得不跳车。

3/occasion后面可以用下列介词：

on the occasion在那时值此…之际

special occasion特别的时刻特别的场合

on the occasion of值此…之际

on occasion有时偶尔

on this occasionadj. 这一次