Orlite
水硅铀铅矿
🗣️ 情景例句
The course I took was above me.
我上的这门课太难了。
Such data is confidential.
这样的资料为机密资料。
Yu Yan and Jim were neck and neck. They both passed on their sticks at the same time.
余延和吉姆跑得一样快。