Erts
abbr. Earth Resources Technology Satellites <美>地球资源技术卫星
🗣️ 情景例句
We had a cat when I was eight years old.
我八岁时养过一只猫。
All's fish that comes to his net.
到了网中都是鱼。
This is not easy, and may require two porpoises working together.
这并非易事，可能需要两只海豚合伙干才行。