我昨天在网上购买了一部新手机。

I ___purchased a new phone online yesterday.

她对自己最近的购物非常满意。

She is very happy with her recent ___purchase.

她后悔昨天冲动购买的那条裙子。

She regrets the impulsive ___purchase of that dress yesterday.

登山者在湿滑的冰面上很难找到稳固的抓握点。

The climber struggled to find a firm ___purchase on the icy surface.