However, if one of the particles, for example, is concave, like a crescent moon, then you can imagine that two adjacent particles could interpenetrate more tightly or fit more snugly with one another.
但是,例如,如果其中一个粒子是凹的,像新月一样,那么您以想象两个相邻的粒子以更紧密地相互渗透或更紧密地相互配合。