她在湿滑的地板上失去了平衡，差点摔倒。

She lost her ___balance on the wet floor and almost fell.

走钢丝者全神贯注以保持平衡。

The tightrope walker focused intently to keep her ___balance.

他小心翼翼地走在狭窄的岩架上，用手臂来维持平衡。

He walked carefully along the narrow ledge, using his arms to maintain his ___balance.