Fluorspar
n. [矿]氟石
✅ 同义词
🔁 扩展释义
【化】 萤石
🗣️ 情景例句
Play it safe.
做事要稳妥。
He gave her his word that he would never be late again.
他向她保证，绝不再迟到。
Next Thursday evening.
下星期四晚上。