Balance for working on scaffolding

• 在脚手架上工作；能够掌握平衡

Balance for working on scaffolding的用法和样例：

例句

1. Poise and balance are something that Yeoh is naturally blessed with.
   完美地掌握平衡，是杨紫琼与生俱来的本领。
2. This is a combination of learned balance, and a very productive sculling action that produces enough velocity for his feet to stay high in the water.
   这一小动作是掌握平衡与有效划水动作的结合，可以产生足够的速度，使双脚在水中保持较高位置。