Onb
[医][=o-nitrobiphenyl]邻-硝基联苯
🗣️ 情景例句
I would lke to place an order please.
我要下定单。
The restaurant is upstairs.
那餐厅在楼上。
Cave exploration, or pot-holing, as it has come to be known, is a relatively new sport.
洞穴勘查——或洞穴勘探——是一项比较新的体育活动。