Packstone
泥粒灰岩
🗣️ 情景例句
Welcome to New York.
欢迎你来纽约。
I often brush my teeth in the morning.
我常常在早上刷牙。
Mr. Green doesn't climb down the chimney. He waits until the children are asleep.
格林先生不从烟囱上爬下来，他等候孩子们都睡熟。