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
I hate animals, they smell and they're noisy.
我讨厌动物，它们很臭而且很吵。
After dinner sit a while, after supper walk a while.
午饭后要坐，晚饭后要走。
I went there three days ago.
我三天前去过那儿。