Calcareous sandstone
[机] 钙质砂岩
🧩 词语组成解析
n. 钙化软骨\\n[化] 石灰质的; 含钙的
sandstone
['sændˌstəun]
n. 砂岩;砂石;
🗣️ 情景例句
Please, use the phone.
请随便用。
I'm going to tell him where to go.
我正要告诉他去哪里？
She's been there for two months. She's been there since September.
她进校有两个月了。她自9月份起便在那儿学习了。