Today’s word of the day is 速 (sù) which means speed. Let’s practice making different words, phrases, and sentences with 速 (sù).
高速 (gāo sù) High speed
The first word is 高速 (gāo sù) which means high speed. Let’s look at each character of this word, 高 means high and 速means speed. That’s why highway in Chinese is 高速公路 (gāosù gōnglù).
加速 (jiā sù) To accelerate
Another word we can create with 速 (sù) is 加速 (jiā sù). This means ‘to accelerate’. Let’s again look at each character of this word, 加 means ‘to add’ and 速means ‘speed’. A way of using it in a sentence is 走上楼梯时，心跳会加速。(Zǒu shàng lóutī shí, xīntiào huì jiāsù.) As you walk up the stairs, your heart beats faster.
迅速 (xùn sù) Rapid
Finally, we can create the word 迅速 (xùn sù) which means ‘rapid’. A way of using it in a sentence is 中国经济发展非常地迅速。(Zhōngguó jīngjì fāzhǎn fēicháng de xùnsù.) China’s economy is developing very rapidly.