Primovolva
原核螺属
🗣️ 情景例句
Certainly.
当然。
I've changed my mind.
我已经改变主意。
it has to develop (partly by means of touch) the ability to judge roughly three-dimensonal distances.
儿童必须发展（部分通过触觉）粗略判断三维空间距离的能力。