蜜蜂的嗡嗡声在花园里回荡。

The ___buzz of bees echoed through the garden.

演讲结束后，教室里充满了兴奋的讨论声。

After the speech, there was a lively ___buzz of discussion in the classroom.

学校里流传着关于考试取消的传闻。

There's a ___buzz going around school that the exam might be canceled.

到门口后按门铃，我会给你开门。

When you get to the door, just ___buzz me and I'll open it.