中英释义：
双语例句
请不要挂机，您拨打的电话正在通话中。
Please hold on, the subscriber you dialed is busy now.
你所拨打的用户正在通话中，请稍后再拨。
You call the user is on a call, please dial later .
对不起，您所拨打的用户正在通话中，请稍候再拨。
Sorry, the number is busyness now, please relied later.
随后，我拿起了电话，说：“对不起，您拨打的电话正在通话中，请稍后再拨！”
And then, I took up the phone, and I said:'sorry, the number you dial is busy now, please wait for a later! '
重点词汇
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正在
in the process of; in the midst of; at the moment; in course of; in the act of; currently; presently
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通话
communicate; call; converse; make a phone call; be on the phone; talk on the phone; phone call