Mesonephridium
中胚肾
🗣️ 情景例句
First I want to call home
我先得打个电话回家
It's a quiet city.
这是一个安静的城市。
Fred Pearson was walking through the university town of Oxford one morning in 1961.
1961年的某个早上，弗雷德·皮尔逊正步行通过牛津大学城。