Whetstone crystals
[医] 砥石结晶, 磨石结晶
🧩 词语组成解析
n. 磨石
n. 石英晶体；晶体（crystal的复数形式）
🗣️ 情景例句
If you can't get a cab, give me a call. It's not safe to walk home along at night.
如果你叫不到出租车的话，打电话给我，晚上一人走回家不安全。
A match will set fire to a large building.
星星之火，可以燎原。
What kind of price did you have in mind?
你说多少呢？