Graywack(e)
[化] 杂砂岩; 硬砂岩; 灰瓦克
🗣️ 情景例句
you need to work at it, Grandpa.
你得常练它， 爷爷。
If you were to attend the banquet ,what would you wear?
如果你将出席宴会，你将穿什么？
I'd like to look at some sweaters.
我想看看毛衣。