Lone-pairs
(lone-pair 的復數) 未共用電子對
?? 詞語組成解析
lone
[l?un]
adj. 孤單的;孤獨的;人跡稀少的;孤寂的;
n. 夫婦；一副（pair的復數）
??? 情景例句
OK, let's go around the table.
好 ，讓我們順著桌子來。
You are welcome.
不客氣。
He passed his exams, and even better, when he left university he had earned enough money to start his own business, offering guide services to tourists.
他考試過關了，更愜意的是，他大學畢業時，所賺的錢足夠他開始經營自己的行業--為游客提供導游服務。