Onb
[醫][=o-nitrobiphenyl]鄰-硝基聯苯
??? 情景例句
Passport please.
請出示你的護照。
His short is in the drawer.
他的襯衣在抽屜里。
You'd better find it quickly. Oh, too late.
你最好趕快找到它。啊，太遲了。