Known reserves
[经] 探明储量, 已知储量
🧩 词语组成解析
known
[nəun]
adj. 大家知道的;已知的;知名的;向某人作自我介绍;
v. 知道( know的过去分词 );看到过;听到过;经历过;
n. 储量, 后备队\\n[经] 准备金
🗣️ 情景例句
and we should remove them as soon as possible.
我们要尽快把它切除。
He is playing on the see-saw in the yard.
他正在院子里玩跷跷板。
It was over 30 feet in length and had a 2,500-horsepower engine.
它的车身长30英尺，有一个2，500 马力的发动机。