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副词有:

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