Mediastinale superius cavum
[医] 纵隔上腔
🧩 词语组成解析
n. 空腔(如耳腔)
🗣️ 情景例句
just half a mile down the road from the Watermill.
从Watermill往下走只要半英哩。
He who hath good health is young, and he is rich who owes nothing.
健康葆青春，无债即富有。
Good, we can do that right away.
好的，立刻就办。