Otc
abbr. 技术合作处（Office of Technical Cooperation）
🗣️ 情景例句
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Lovers live by love, as larks live by leeks.
情侣靠爱情生活，正像云雀靠韭葱生活一样。
Historians have long been puzzled by dots, lines and symbols which have been engraved on walls, bones, and the ivory tusks of mammoths.
长期以来，历史学家一直对雕刻在墙壁上、骨头上、古代长毛象的象牙上的点、线和形形色色的符号感到困惑不解。