1. A user experience designer could help to improve a person's experience with just about anything—a doorknob, a faucet, a shopping cart. 用户体验设计师可以帮助改善人们体验几乎任何事物——一个门把手,一个水龙头,一个购物车。
2. He jiggled the doorknob noisily. 他大声地摇晃门把手。
3. She turned the doorknob and quietly opened the door. 她转动门把手,悄悄地开了门。