Otc
abbr. 技术合作处（Office of Technical Cooperation）
🗣️ 情景例句
We were together in the Thursday night drama society.
我们过去总在星期四晚上的话剧社团聚会。
Whom will you invite to the picnic?
你将邀请谁参加野餐？
We should have been given the large quantity price.
你应该开大宗折扣价才是。