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1·Some plants make noises with their roots.

一些植物用根制造声音。

2·Baby boys do not seem to notice the difference in the size of the ball, but girls immediately become excited and begin to make noises that sound like language.

男婴似乎没有注意到球的大小的不同，但女婴立即变得兴奋，并开始发出听起来像是语言的声音。

3·Why does my stomach make noises?

为什么我的肚子会“咕咕”叫？

4·They make noises when they are hungry.

他们饿的时候就制造噪音。

5·You shouldn't make noises in the reading room.

你不应该在阅览室喧哗。

6·I have been told many times not to make noises.

有人多次告诉我不要制造噪音。

7·Machines and engines make noises that annoy us constantly.

机器和引擎经常发出恼人的噪音。

8·They make noises when they are afraid, or angry, or unhappy.

当它们害怕、愤怒或者不高兴时只会发出某些噪音。

9·People make noises because they eat without closing their mouths.

因为人们吃东西时没有闭上嘴，故而发出噪声。

10·A dolphin make noises as it moves through the water looking for food.

海豚在水中游动寻找食物时发出声音。