Net charge

• 净电荷

net charge的用法和样例：

例句

1. Each atom would have a very small net charge.
   每一个原子都会有一个很小的净电荷。
2. Each amino acid has its own characteristic isoelectric point, where the net charge on the molecule is zero.
   每个氨基酸都有自己的等电点，等电点的条件是净电荷为零。