价电子的英文：
valence electron

Valence is a sleepy little town just south of Lyon.
瓦朗斯是里昂南面一座寂静的小镇。

Of,relating to,or containing phosphorus,especially with a valence of3or a valence lower than that of a comparable phosphoric compound.
(含)磷的，亚磷的磷的，有关磷的，或含磷的，尤指含三价磷或是比类似的磷化物低一价的

Of,relating to,or containing osmium,especially in a compound with a valence of4or a valence higher than that in a comparable osmous compound.
锇的，四价锇的锇的、与锇有关的或含有锇的，尤指在化合价为4或化合价高于相对低价锇的化合价的化合物中的锇

Of,relating to,or containing phosphorus,especially with a valence of5or a valence higher than that of a comparable phosphorous compound.
磷的磷的，有关磷的，或含磷的，尤指含五价磷的，或比类似的磷化物价更高的

Of,relating to,or containing iron,especially with a valence of2or a valence lower than in a corresponding ferric compound.
铁的，含铁的铁的、有关铁的或含铁的，尤指带有二价铁或低于二价铁的相应含铁化合物

electronic mailbox device for receiving and storing electronic mai
接受、储存电子邮递的装置.

Electronic mailbox device for receiving and storing electronic mail
接受、储存电子邮递的装置.

Do you have a marine electronic diploma?
你有航海电器执照吗？

stable electron orbit
稳定电子轨道

This is the lithium nucleus plus electron.
这是锂原子核加上一个电子。