Sideraphite
塞德拉菲特耐蚀合金
🗣️ 情景例句
You can listen to BBC or VOA news if you want to improve your listening.
如果你想提高听力，你可以听英国广播电台或美国之音的新闻节目。
Don't mention it.
不必谢。
Three quarters of the world's books and newspapers are written in English.
3/4的书籍和报纸是用英语写的。