Ectropite
肾硅锰矿
🗣️ 情景例句
He's an aerospace engineer,and works for Orlando Aircraft Corporation.
他担任航太工程师，为Orlando飞机公司工作。
Did you sell it to him yourself?
你自己亲自卖给他吗？
Six men have been trapped in a mine for seventeen hours.
6个人被困在矿井里已有17个小时了。