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1·What's that tune you're humming?

你哼的是什么曲子？《牛津词典》

2·The computers were humming away.

计算机在嗡嗡作响。《牛津词典》

3·She was humming softly to herself.

她在轻声哼着曲子。《牛津词典》

4·The rooms are crammed with humming Xerox machines.

那些房间里摆满了嗡嗡作响的施乐复印机。《柯林斯英汉双解大词典》

5·He started humming a tune, then interpolated the odd word as though having difficulty remembering.

他开始哼起一个曲调，尽管记得不太清楚，他又插入了几个词。《柯林斯英汉双解大词典》

6·There are so many sounds of singing and humming and calling out.

有那么多的声音，有唱歌声、嗡嗡声，和呼唤声。

7·During the day, your brain is a beehive of activity—during NREM sleep, it is barely humming.

在白天，你的大脑就像一个活跃的蜂窝——在非快速眼动睡眠期间，它就几乎没有嗡嗡声了。

8·The humming of the bees in the blossoms mingled with the chanting voice and drowsily melted into a doze.

蜜蜂在花丛里的嗡嗡声和唱诵的声音混在一起，令人昏昏欲睡。

9·He lolled at his ease, humming, not unmelodiously, snatches of a rude song, and fingering a pack of cards.

他懒洋洋地靠在那里，嘴里哼着一支不怎么悦耳的粗鲁的歌，手里拿着一副纸牌。

10·He was humming a familiar tune.

他低声哼着一支熟悉的小曲。《牛津词典》

(1)humming bird雀鸟