Mecs
(mec 的复数) abbr. 货币经济理事会（Monetary and Economic Council）；最经济控制（most economic control）
🗣️ 情景例句
I had a wonderful being with you.
和你们在一起，我度过了美好的时光。
I can assuer you of our close cooperation.
我保证通力合作。
easily obtainable from the lunar rocks in the form of liquid oxygen.
从月球上的岩石中很容易提炼出液态氧，