我失去了平衡，从自行车上摔了下来。

I lost my ___balance and fell off the bike.

她不得不抓住栏杆以保持平衡。

She had to hold onto the railings to keep her ___balance.

我开始下楼去厨房，双手扶着墙以保持平衡。

I began to go downstairs to the kitchen, with two hands on the wall to keep my ___balance.