Davidsonite
绿柱石
🗣️ 情景例句
I didn't want to play charades,
我不想玩哑谜，
Those who climb high often have a fall.
爬得高往往跌得重。
The comparable speed from the Moon is only 1.5 miles per second.
而从月球出发的相应速度只是每秒1。5英里。