Lumo
[化] 最低未占軌道; 最低未占分子軌道
??? 情景例句
It's important
這是很重要的
A discount of six percent is all that I'm authorized to offer you.
6%的折扣是我權限內所能給你的。
Oh, that's Mrs. Brown.
噢，那是布郎太太。