Calcifies
v. （使）钙化, （使）硬化( calcify的第三人称单数 )
🗣️ 情景例句
Look,
看，
The first step is the only difficulty.
万事起头难。
They are working hard on the farm. The children are picking apples.
他们正在农场卖力地干活。孩子们在摘苹果。