Barycenter
n. 重心
??? 情景例句
My feeling is that you ought to stay home tonight.
我覺得今晚你應該呆在家里。
New York is famous for its tall buildings.
紐約以高樓大廈而聞名。
Most of the earth's surface is covered by water.
大部分的地球表面被水覆蓋著。