音速

yīnsù

noun #20,730

Meanings

1 speed of sound
2 sonic speed

Characters

speed, velocity

Examples

HSK 3

飞机的速度超过了音速。

Fēijī de sùdù chāoguò le yīnsù.

The aircraft's speed exceeded the speed of sound.

HSK 5

音速在空气中约为每秒340米。

Yīnsù zài kōngqì zhōng yuē wéi měi miǎo 340 mǐ.

The speed of sound in air is approximately 340 meters per second.

Tips

usage

超音速 means 'supersonic' (faster than sound). 亚音速 means 'subsonic' (slower than sound). The Mach number (马赫数) is commonly used to express multiples of the speed of sound.

Stroke Order

音 yīn

速 sù