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
The robber struck him on the head.
强盗打他的头。
A constant guest is never welcome.
久住非佳宾，常来不欢迎。
It's Dr Stone, isn't it? She's usually good.
是斯通博士，对吗？她一直很不错的。