Unlike a molecule or complex ion, which is a finite (often small) assembly of atoms, a solid has no fixed size but can add atoms indefinitely.

不像原子数有限(通常非常小)的分子和络离子，固体没有固定的形状并且可无限制的添加原子。

youdao

Unlike a molecule or complex ion, which is a finite (often small) assembly of atoms, a solid has no fixed size but can add atoms indefinitely.

不像原子数有限(通常非常小)的分子和络离子，固体没有固定的形状并且可无限制的添加原子。

youdao