It should have set off an alarm bell, but it didn't.
他的画本来应该为我敲响警钟，但是我却没有意识到。
Bell and Watson had everything set for their first test of the invention.
贝尔和华生为第一次测试他们的发明做好了一切准备。
By 1878, Bell had set up the first telephone exchange in New Haven, Connecticut.
在1878年，贝尔已经在康涅狄格州的新海文建立了第一个电话交换站。
They were all set to go when the bell rang.
铃声响起时，他们都准备好要走了。
We were about to set out when the telephone bell rang.
电话铃响的时候，我们正要出发。
We were about to set out when the telephone bell rang.
电话铃响的时候，我们正要出发。
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