學校裡男女一起唸書
核心畫面本身：門是學校的門，進去的是男生和女生。
adjective · B2
Used about a school, college, or class in which male and female students are taught together in the same place, rather than being taught in separate schools or separate classes.
男女合校的
核心畫面
Picture a door that was once open to only one half of the people, and is now open to both. In the oldest use it is a school door: boys and girls walking into the same building, sitting in the same rooms, taking the same lessons. Every other use of the word keeps that picture and changes what the door belongs to — a gym, a team, a dormitory — or else points at one of the people who walked through it.
coed 可以想成一扇原本只開給一半人的門，現在兩邊都走得進去。最早的畫面是學校的門：男生女生走進同一棟樓、坐同一間…更多收起
coed 可以想成一扇原本只開給一半人的門，現在兩邊都走得進去。最早的畫面是學校的門：男生女生走進同一棟樓、坐同一間教室、上同一堂課。之後的用法都留著這個畫面，只是把門換成別的地方——健身房、球隊、宿舍；再不然，就是指走進那扇門的其中一個人。Three branches
學校以外的男女混合場合（美式）
同一扇門搬到別的地方去：畫面沒變，只是這次門上寫的不是校名，而是球隊、健身房、宿舍。
adjective · B2
In American English, used about a place, team, or group that both men and women use or belong to, instead of being for one sex only. Nothing to do with school in this use.
男女混合的
名詞：走進那扇門的女學生
從形容學校，變成指學校裡的一個人；而且只指其中一邊的人。
noun · C1
A woman student at a university or college that teaches both men and women. The word picks out the women only; there is no matching word for the men at the same school.
女大學生