Mmtc
abbr. Minerals and Metals Trading Corporation 矿产和金属贸易公司; Mineral and Metals Trading Corporation of India, Ltd. 印度矿产五金贸易公司; Marine Minerals Technology Center 海洋矿物技术中心（美国矿物局）; maritime mobile telegraphy calling 海上流动电报呼叫
🗣️ 情景例句
Oh, what are you doing tomorrow?
噢， 明天你打算做什么？
Observation is the best teacher.
观察为良师。
If you lived in the Mediterranean, for instance, you would consider octopus a great delicacy.
比如，如果你住在地中海地区，你会把章鱼视作是美味佳肴，