Bond order
[化] 键级
🧩 词语组成解析
order
['ɔ:də]
n. 命令;秩序;规则，制度;次序;
vt. 命令;订购;整理;
vi. 下订单;
🗣️ 情景例句
You had something on your mind
你显然有话要说
There were times of disappointment, anger, and humiliation, and there were also times of joy.
生活中有失望、生气和屈辱的时候。
They are arguing over who should pay the bill.
他们为谁应该付款而争论不休。