Erts
abbr. Earth Resources Technology Satellites <美>地球资源技术卫星
🗣️ 情景例句
The aquarium was so exciting.
水族馆真的很好玩。
A book that remains shut is but a block.
有书闭卷不阅读，无异是一块木头。
This one seems a little small for me.
这顶我戴好像小了一点。