Facultatively
特许地; 能力地; 偶发地; 兼性地
🗣️ 情景例句
I don't understand. Did you exercise or not?
我搞不懂 ，你到底作了健身操没有？
I tried calling you several times yesterday but I couldn't get through.
我昨天给你打了几次电话，但都没有打通。
Will you please try to find out for me what time the train arrives?
能不能请你帮我查查火车什么时候到？