He started humming a tune, then interpolated the odd word as though having difficulty remembering.(他開始哼起一個曲調，盡管記得不太清楚，他又插入了幾個詞。)

Anyway, these bands are perfectly safe, and some humming birds have worn them for years with no evidence of any problems.(不管怎樣，這些帶子是完全安全的，一些蜂鳥已經戴上這些帶子很多年了，沒有出現任何問題。)

She was humming a song to herself.(她獨自哼著歌。)

The woman starts humming.(那個女人開始小聲的哼唱。)

He stopped humming. "Why?"(他停止哼歌，說，“為什么？”)

The humming of the bees in the blossoms mingled with the chanting voice and drowsily melted into a doze.(蜜蜂在花叢里的嗡嗡聲和唱誦的聲音混在一起，令人昏昏欲睡。)

So humming birds have to rely on plants in their natural habitat.(所以蜂鳥不得不依賴于它們自然棲息地里的植物。)

Her masterpiece is this little humming-bird, and upon it she has heaped all the gifts which the other birds may only share.(這種小蜂鳥是她的杰作，她把其他鳥類只能分享的種種天賦全部給了它。)

There are so many sounds of singing and humming and calling out.(有那么多的聲音，有唱歌聲、嗡嗡聲，和呼喚聲。)

She was humming a merry little tune.(她輕輕地哼著一首歡快的小曲兒。)