A loud sound often indicates an urgent demand.

声音大通常表示猫咪有迫切的要求。

Then, suddenly, a loud sound fills the room.

突然，一声巨响充斥了整个房间。

They like the loud sound and strong emotion of the songs.

他们喜欢那种很吵的声音和这些歌曲中表达的强烈情绪。

The animals are protesting by making loud sounds.

这些动物通过发出响亮的声音来抗议。

Think for a moment about how loud the loudest sound that you've ever heard in your life was.

先想一下你有生以来听过的最响的声音有多大。

Hiss! A loud sound came from Tom's pocket.

嘶！汤姆的口袋里传来很大一声。

The range between your quietest sound and your loudest sound.

即最安静的声音和最响亮的声音之间的范围。

Most people agree that loud sounds are brighter than soft ones.

大多数人都同意响亮的声音比轻柔的声音亮些。

Honk is the short, loud sound a car horn makes.

汽车喇叭声是汽车喇叭发出的短暂而响亮的声音。

The loudest sound they make is actually reserved for courting a female.

它们发出的最响亮叫声实际上是为了向雌性求爱。

Howler monkeys are big primates known for the loud sound they make.

吼猴是一种大型灵长类动物，以其响亮的声音而闻名。

But what if instead of becoming a louder sound, it became quieter?

但是如果声音不是变大了，而是变小了呢?

Tony threw the tool into the car, it made a loud crashing sound.

托尼把那个工具扔进车里，发出了很大的撞击声。

Crunchy foods have a hard texture and make a loud sound when chewed.

松脆的食物质地很硬，而且在咀嚼的时候会发出响声。

In cochleopalpebral reflex, the child responds by a blink to a loud sound.

在耳蜗-眼睑反射中，孩子对响亮的声音会做出眨眼反应。

But I want us to remember, there is little resistance to loud human-made sounds.

但请记住，人类很难抵抗高音量的人造声音。

One day there was a loud crashing sound at one end of the lake.

有一天，湖的一端发出了一声巨响。

Who knew that such a loud sound could come from such a tiny person?

谁能想到那么小的人居然能发出那么吵的声音？

Besides the loud sound like all air travel, another concern is the impact on the climate.

除了会产生像所有航空飞行一样的巨大声响外，另一个令人担忧的问题是其对气候的影响。

Loud sounds can damage these hair cells in a way that can cause temporary, even permanent hearing loss.

巨大的声音会损坏这些毛细胞，从而导致暂时性，甚至是永久性听力损失。