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Automatic shut-off devices appeared on whirring machines .

嗡嗡作响的机器中加装了自动关闭装置。

Robot arms are whirring again .

机器人的胳膊又开始动起来喽。

A whirring whistle : goal .

一阵打嘟噜的哨子声，进球了。

Hmmm ...... I 'm still a bit concerned by all the humming and whirring .

嗯……我还是有点担心那些嗡嗡声和呼呼声。

" Okay , " todd said , and soon there was a whirring in his left ear .

“好的，”托德说，很快他的左耳里传来呼呼声。