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
It's a bonsai tree for your new apartment.
这是一颗盆栽，祝贺你迁新居。
How often did I tell you not to say a word?
我告诉你多少次不要讲话?
I can hear something! said Lucy.Does anybody live on this island?
“我听到什么东西了！”露茜说，“岛上有人居住吗？”