Yes. High levels of polyatomic anions released in the atmosphere.
大量的多原子负离子释放进了大气中。
Scishow 精选系列
We haven't identified which receptors recognize the anion, or negatively charged ion, in a salt.
我们尚未确定哪些受体识别盐中的阴离子或带负电的离子。
Crash Course 解剖生理学篇
But they're really just positively-charged cations — like calcium, sodium, and potassium — and negatively-charged anions, like phosphate, sulfate, and bicarbonate.
An ion (/ˈaɪən, -ɒn/) is an atom or a molecule in which the total number of electrons is not equal to the total number of protons, giving the atom or molecule a net positive or negative electrical charge. Ions can be created, by either chemical or physical means, via ionization.