Oscillational
a. oscillation的变形
🗣️ 情景例句
You have to cook dinner for the entire family.
你今晚得替全家做晚餐呢。
Kennedy Airport, please. I have to be there by 7:00.
请到肯尼迪机场。我得在七点前赶到那儿。
He telephoned the office yesterday morning and yesterday afternoon.
他昨天上午和下午把电话打到了我的