Mesonephridium
中胚肾
🗣️ 情景例句
Collecting matchsticks was fun, until that fateful day one of them caught alight.
收集火柴是一种乐趣，除非一天其中一根火柴不幸燃烧起来。
Hang up one's hat in another's house.
在别人家里久留不去，长期居住。
Our environment is chiefly conditoned by the things we believe.
我们的环境由我们信仰的东西所决定。