Ramf labiales anteriores
[醫(yī)] 陰唇前支
??? 情景例句
Will I have to wait for a long time?
我得等很久嗎？
I was listening to the radio.
我正在聽收音機。
Let us suppose that a child suddenly crosses the road in front of you.
讓我們假設(shè)一個小孩子突然在你前面穿過馬路。