Undeveloped reserves
[经] 未开发油(气)藏
🧩 词语组成解析
a. 未充分发育的, 未开发的
n. 储量, 后备队\\n[经] 准备金
🗣️ 情景例句
Thank you, that was a great meal.
谢谢，真是一顿好饭。
A volcano erupted.
火山爆发了。
We have mainly adopted some usual international practices.
我们主要采取了一些国际上的惯例做法。