Centroidal
重心的
🗣️ 情景例句
Did it spoil your fun?
会不会让你扫兴？
He is not fit to command others that cannot command himself.
正人先正己。
so that there are heavy odds in favour of our dying between the ages of sixty-five and eighty.
我们最可能死亡的年龄在65至80岁之间，