Otc
abbr. 技术合作处（Office of Technical Cooperation）
🗣️ 情景例句
In the Spring and Autumn period, copper and iron chopsticks came into being.
在春秋时代又出现了铜制和铁制的筷子。
To chase the thief
追踪小偷
thereby proving that the burglars had either used skeleton keys or entered over the balcony.
由此可以证明，窍贼或者是用万能钥匙，或者是翻越阳台进来的。