静妙奔奔1123
对应的英语：The line is busy.或者：The line is engaged.例如：The line you dial is busy. Please try late.
陳奕婷3144
（（busy tone）） 例句： I tried her mobile for many times but everytime I get was a busy tone. 我打她的手机很多次了，但每次都是忙音。（（the line is busy））例句：I tried to call her but the line is busy.我试着打过给她但是电话占线。
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