Natrocalcite
钠方解石
🗣️ 情景例句
I'm wiped out by the time I get off work.
下班时，我都累趴下了。
He wants to change his appointment from Monday to Wednesday.
他想要把他的约会从星期一改到星期三。
The children compete against each other to reach the other end of the pool.
孩子们比赛看谁先到达游泳池的另一端。