发出声音的

Realizing the sound was made by a cat, the guard sheathed his sword.

意识到声音是由猫发出的，卫兵将刀收回鞘中。

The noise of something spattering or sputtering explosively .

某物喷溅时发出的声音。

Sh! and the Dormouse sulkily remarked, 'If you cant be civil, youd better finish the story for yourself.

帽匠和三月兔不停地发出"嘘、嘘……"的声音，睡鼠生气地说："如果你不讲礼貌，那么最好你自己来把故事讲完吧。"

It goes "tick-tock,tick-tock".l like it very much.

它总是发出"滴答，滴答"的声音。我非常喜欢它。

The "lub" is the sound of the mitral and tricuspid valves closing.

lub声就是二尖瓣和三尖瓣关闭时发出的声音。

The "DUB" is the sound of the aortic and tricuspid valves closing.

DUB声就是肺动脉瓣和主动脉瓣关闭时发出的声音。

If we were to look at the sound of a G4 tuning fork, we would find that it vibrates at 400 times per second.

如果我们来看看G4音叉所发出的声音，我们会发现音叉大约每秒震动400次。

I get to vibrate my voice unconsciously, it's the first time that I sang pure and simple.

总是不自觉地发出颤音。。这是第一次我用这麼清楚简单的声音演唱。

These are produced by the vibration of vocal cords.

由声带振动所发出的声音，例如一般的母音等。

At 3 months, an infant can make vowel sounds.

3个月的时候，婴儿已经可以发出一些元音声音。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！