Lone-pair
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
I haven't seen you for a long time.
很久没见了。
This painting is worth more than a million dollars to me because it's so beautiful.
这幅画是如此的美丽，对我而言，价值在百万美元以上。
When he died, however, his brothers found it impossible to keep the secret any longer.
他死后，他的弟弟们才觉得无法再保守这个秘密了。