Michaelsonite
复硅锆钡矿
🗣️ 情景例句
I know it well.
我非常清楚。
Thank you, if it's not too much trouble.
谢谢了，如果不是太麻烦的话。
But nothing can match them for speed and comfort.
但就速度与舒适而言，飞机是无与伦比的。