Facultatively
特许地; 能力地; 偶发地; 兼性地
🗣️ 情景例句
And now to make sure we've got the hamburger patties.
现在确定一下我们带了汉堡碎肉饼。
What time does the first train to Boston leave?
第一班去波士顿的列车什么时间开出呢？
She got very angry and started shouting at me.
她气极了，冲我大喊。