You can see what was making the rustle in the undergrowth.

你能看到是什么在灌木中发出沙沙的声音。

youdao

There was a sudden movement in the undergrowth.

矮树丛里突然有什么东西动了一下。

《牛津词典》

The boar often hid in the undergrowth and beaters were employed and ordered to go straight in to chase it out.

公猪经常躲在灌木丛里，于是人们雇佣了助猎者，让他们直接冲进灌木将它逐出。

youdao

Hugh O'Brien-Quinn, prosecuting, said Parkes' wife Jane lay cowering in the undergrowth with the family's dog.

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He stops the car and rummages in the undergrowth, emerging with an armful of plants.

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In fact he's destitute, a squeegee merchant who eats out of Dumpsters and sleeps in the undergrowth.

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