Colemanite
n. [矿]硬硼酸钙石
🗣️ 情景例句
It was not until yesterday that I noticed it.
我一直到昨天才注意到它。
Let me give you a little fatherly advice.
让我给你一些父亲般的劝告。
This applies particularly to chemical industries,
这在化学工业方面尤其突出。