Ophiocistioidea
蛇函纲
🗣️ 情景例句
Will you see him again?
你会再见他吗？
Knowledge advances by steps not by leaps.
知识的获得是循序渐进而不是突飞猛进的。
Such an experience befell a certain young girl the first time she was traveling alone.
一个小姑娘第一次单独出门就碰到了这种情况。