Onb
[医][=o-nitrobiphenyl]邻-硝基联苯
🗣️ 情景例句
What's the matter, Susan?
怎么了， Susan？
When are you off?
你什么时候动身？
As they grow old, people also accumulate belongings for two other reasons,
随着年纪的增加，人们也因为两个原因而继续积累：