Otc
abbr. 技术合作处（Office of Technical Cooperation）
🗣️ 情景例句
Pleasant dreams.
祝你有个好梦。
You are equipped with new knowledge, new ideas, and new insights.
你们拥有新知识、新思想、新眼光。
Because the Moon has only an eightieth of the Earth's mass,
因为月球的重量只有地球的1/8，