Otc
abbr. 技术合作处（Office of Technical Cooperation）
🗣️ 情景例句
Will it be too late if I call around 9:00 tonight?
如果我在晚上9点左右打来会不会太晚？
When the weather is hot, we turn on the air conditioner.
天热的时候就开空调。
And this is Naoko.She's Japanese.
这位是直子。她是日本人。