Diplasiocoela
双凹亚目
🗣️ 情景例句
He bases his arguments on facts.
他的理论以事实为根据。
Put your pants on.
穿上你的裤子。
In return for this, the beggar stood on his head and sang songs.
作为回报，那乞丐头顶地倒立起来，嘴里还唱着歌。