Shuter
[醫]光閘，快門，開閉器，斷路器
??? 情景例句
the school poster for the play this year.
今年學校話劇的海報。
It's up to us to help those in need.
我們有責任幫助那些有困難的人。
This joke has gone a little too far.
這個玩笑開得有點-過分了。