释义
n. 天平,平衡,差额 v. 平衡
例句
1. The girl lost her balance and fell off the balance beam. 小女孩失去了平衡,从平衡木上摔了下来。 2. The dolphin balanced the ball on its nose. 海豚用鼻子顶着球,使其保持平衡。