synch
n. 同时,同步
例句
Calendar and contacts that synch with your computer.
与电脑同步日历和联系人。
The result is that you and the audience are out of synch.
结果造成,你和你的听众不同步。
But I heard that many pop stars do lip-synch these days.
不过我听说现在有很多流行歌手都假唱。