molecular dimension

• 分子大小

molecular dimension的用法和样例：

例句

1. You did not exist.You were only scattered molecular stardust.
   你只不过是散落在宇宙中的一个分子大小的星际尘埃罢了。
2. The rate of migration varies with molecular size and shape.
   泳动速度随分子大小和形状而改变。