on an occasion

• 在某一场合

on an occasion的用法和样例：

例句

1. On an occasion of this kind it become more than a moral duty to speak one's mind; it become a pleasure.
   趁这样的机会直抒己见，其意义超过了道德上的义务，而成为一种乐趣。
2. On an occasion of this kind it becomes more than a moral duty to speak one's mind; it becomes a pleasure.
   趁这样的机会直抒已见，其意义超过了道德上了义务，而成为一种乐趣。
3. Stories of that kind are scarcely in place on an occasion such as this.
   在这样一种场合讲这一类故事是不大合适的。
4. On an occasion such as this (ie as important as this) we are privileged to welcome ...
   在这样重要的场合，我们有幸能欢迎 ...