Lone pair
[机] 未共用电子对
🧩 词语组成解析
lone
[ləun]
adj. 孤单的;孤独的;人迹稀少的;孤寂的;
pair
[pɛə]
n. 一副;一对男女;套在一起的两匹马;雌雄成对的动物;
vt.& vi. （使…）成对，（使…）成双;
vi. 交配，交尾;
🗣️ 情景例句
Is it possible that we forgot to buy cinnamon?
是不是我们忘了买肉桂？
He came to give us a talk yesterday.
他昨天给我们作了一次演讲。
Just as Mrs.Richards was entering the dinning room, there was a knock on the front door.
理查兹夫人刚刚走进餐厅，前门就传来敲门声。