He started humming a tune, then interpolated the odd word as though having difficulty remembering.(他開(kāi)始哼起一個(gè)曲調(diào)，盡管記得不太清楚，他又插入了幾個(gè)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(niǎo)已經(jīng)戴上這些帶子很多年了，沒(méi)有出現(xiàn)任何問(wèn)題。)

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

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

He stopped humming. "Why?"(他停止哼歌，說(shuō)，“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(niǎo)不得不依賴(lài)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(niǎo)是她的杰作，她把其他鳥(niǎo)類(lèi)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。)