Valence shells
[电] 价层
🧩 词语组成解析
valence
[['veiləns]]
n. 原子价\\n[化] 化合价; 原子价
n. 贝壳（shell的复数）
🗣️ 情景例句
The battle was very historic.
那场战役在历史上很重要。
What's in it for me?
我有什么好处？
John Dewey has said in all seriousness that the part played by custom in shaping the behaviour of the individual,as against any way in which he can affect traditional custom,
风俗在形成个人行为方面所起的作用和一个对风俗的任何影响相比，