Pozzolan
n. 火山灰(可用作水泥原料)
🗣️ 情景例句
Well, they didn't say anything for sure.
嗯， 他们没有任何确切的答覆。
A life without a purpose is a ship without a rudder.
人生无目的，犹如船失去了舵。
Life on a desert island is wretched.
认为荒岛生活很可怕，