Centron
原子核
🗣️ 情景例句
I'm paying lots of money for you, so you'd better do well.
我为你花了那么多钱，所以你要好好干。
Mettle is dangerous in a blind horse.
瞎马鼓勇气，正是危险事。
He does exercises every day in the morning.
他每天早上锻练身体。