center of gravity

例句：

1. 1. The center of gravity is thepoint where the weight of the object isbalanced.
   重心是物体重量平衡的点。
2. 2.The team's center of gravity shiftedto the left as they made their move.
   随着他们的移动，队伍的重心向左偏移。
3. 3. The new president has a strong senseof center of gravity and will not beeasily moved by public opinion.
   新任总统有很强的中心感，不会轻易被公众意见所动摇。