Toothwort
石芥花（属）
🗣️ 情景例句
He never speaks unless he is spoken to.
除非别人先对他开口，他从不先开口。
The years teach much which the days never know.
学问集年而成，而每日不自知也。
I'm afraid I don't have it any more. I sold it last week.
我恐怕是没有了，上星期我把它卖掉了。