N and these are known as anions. It has the n, which might conjure up negative, or anion and minus both have five letters.
这些就是负离子，有，能让我们想起，负，这个字，或者负离子和负号都是5个字母。
N and these are known as anions. It has the n, which might conjure up negative, or anion and minus both have five letters.
这些就是负离子，有，能让我们想起，负，这个字，或者负离子和负号都是5个字母。
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