Ophiocistioidea
蛇函纲
🗣️ 情景例句
This is true.
这倒是事实。
Please tell him to stop running in and out.
请告诉他不要跑进跑出。
Carbonated drinks are acidic, and slightly safer.
碳酸饮料是酸性的，就更安全一些。