barring

名词 barring:

1. the act of excluding someone by a negative vote or veto
   同义词：blackball

动词 bar:

1. prevent from entering; keep out
   同义词：bar, debar, exclude
2. render unsuitable for passage
   同义词：barricade, block, blockade, stop, block off, block up, bar
3. expel, as if by official decree
   同义词：banish, relegate, bar
4. secure with, or as if with, bars
   同义词：bar

1. The whole class is here bar two that are ill.
   除两人生病外，全班都到齐了。
2. Barring accidents, I'll be there.
   除非有意外事故，我会一定到场的。

bar.ring

prep.（介词）
Apart from the occurrence of; excepting:
不包括…；除…之外：
例句：
Barring strong headwinds, the plane will arrive on schedule.
如果不是猛烈的顶头风，飞机会准点到达的