Lecos
abbr. Lunar Environment Construction and Operations Simulator 月球环境建筑及活动模拟设备
🗣️ 情景例句
Let me hear it.
说给我听听。
Every day is not Sunday.
好景不常在，好花不常开。
it is now possible not only to locate a shoal but to tell if it is herring, cod, or other well-known fish, by the pattern of its echo.
不仅能够确定鱼群的位置，而且可以根据鱼群回声的特点分辨出是鲱鱼、鳕鱼，这是人们所熟悉的其他鱼。