Pozzolan
n. 火山灰(可用作水泥原料)
🗣️ 情景例句
I would like to lodge a complaint.
我有些怨言。
Crows do not pick crow's eyes.
同室不操戈。
A moment later, the Class 4 runner fell and hurt his leg, but he quickly got up and went on running.
过了一会儿，4班的运动员摔倒了，伤了腿，但是他很快爬起来，继续往前跑。