Roedderite
硅碱铁镁石
🗣️ 情景例句
We really don't have to be overly concerned.
我们真的不需要过分担心。
Over 5,000 hours of work went into this software, and today it's my privilege to bring it to you.
这种软件的研制超过5000工作小时，今天我很荣辛地向你们展示它。
I find young people exciting.They have an air of freedom,
我觉得年轻人令人振奋，无拘无束。