Protonephron
[医] 原肾, 前肾
🗣️ 情景例句
We'll place a trial order with you for 300 cases of pork luncheon meat.
我们想试定300箱罐装午餐肉。
The stations are always full of people.
火车站里经常挤满了人。
He was on his way to a lecture, when a tourist stopped him and asked him for directions.
他走在去听课的路上，此时一位游客拦住他问路。