Protonephridium
n. [动]原肾管,原肾
🗣️ 情景例句
So, it's virtually risk-free for you.
所以，事实上对您而言，是完全没有风险的。
What will you have for breakfast tomorrow morning?
你明天早上早餐将有什么？
Are you sure you don't mind?
你敢肯定你不会介意吗？