Hardens
v. （使）变硬( harden的第三人称单数 ); （使）坚固; （使）硬化; （使）变得坚强
🗣️ 情景例句
Nice chatting with you.
和你聊得很愉快。
Today is May 21st.
今天是五月二十一号。
Yes, it's Bob here. Can you ask him to call me back?
可以，我是鲍勃。你能请他给我回个电话吗？