基本膜，是软膜中早期材料类型，整体效果雅致。
Basic membrane: it is an early product with elegant overall effect.
基本而言，嘴唇有相同的粘液膜组成，保护我们的嘴巴。
Basically, our lips are made of the same mucusmembrane that coats the inside of our mouths.
如果颗粒在液滴表面形成一层均匀的膜，且基本延伸到液滴的两极，那么合并会形成一个非球形的结构；
If the particles covered both drops with a uniform film, extending almost to the poles, the coalescence resulted in a non-spherical structure.
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