Mesonephridium
中胚肾
🗣️ 情景例句
I'm calling for your assistance.
我打电话是要您帮助我。
He isn't really serious; he's just playing games with her.
他并不是一本正经，只是跟她玩玩游戏而已。
We'll meet him at the harbour early in the morning.
明天一大早我们将在码头为他送行。