Patmo
abbr. Patent and Trademark Office 专利与商标办事处
🗣️ 情景例句
It's my pleasure.
我很愿意效劳。
My friend phoned me at 10 a.m. Yesterday.
我的朋友昨天上午10点打电话给我。
Do you speak Chinese?
你讲汉语吗？