例句：
This is Mission Control calling the space shuttle Discovery.
這是地面指揮中心呼叫航天飛機“發現號”。
He didn't even have the intelligence to call for an ambulance.
他連呼叫救護車的頭腦都沒有。
I called in at my local on the way home.
我回家途中去了我住處附近的酒吧。
Call it what you will, it's still a problem.
不管怎么說，這仍然是個問題。
There were calls for major changes to the welfare system.
有人要求對福利制度進行重大改革。