Crystalize
v. 明确
✅ 同义词
🗣️ 情景例句
This is Mr. Wu in Room 415.
我在415房间，姓巫。
Misfortunes come at night.
灾祸常生于不测。
He suggested that a double railway-tunnel should be built.
他提议建一条双轨隧道，这样就解决了通风问题。