1、Samuel holds the phone to his ear till the dial tone goes busy.
塞繆爾僵硬的握著話筒，直到對(duì)面?zhèn)鱽?lái)嘟嘟的忙音。

2、A dial tone is not sent in some telephone networks.
在某些電話網(wǎng)絡(luò)中不發(fā)送撥號(hào)音。

3、Listen for the dial tone and then dial the number you want.
等待撥號(hào)聲，然后撥你所要的號(hào)碼。

4、This process is more complex than performing a dial tone recovery on a single server.
與在一臺(tái)服務(wù)器上執(zhí)行撥號(hào)音恢復(fù)相比，此過(guò)程比較復(fù)雜。

5、I can't get a dial tone on this phone.
我在這部電話上聽不到撥號(hào)音。

6、A dial tone is not always sent.
不始終發(fā)送撥號(hào)音。

dial tone翻譯