Postcava
n. [动](畜类的)后腔静脉
🔁 扩展释义
【医】 下腔静脉
🗣️ 情景例句
Very few people last in this class for the full hour the very first time.
很少人能够第一次撑完一个小时的课。
I suppose so.
我想是这样。
Work on it had begun before my sister left.
这栋房子在我姐姐离开之前就已动工了，