Sideraphite
塞德拉菲特耐蚀合金
🗣️ 情景例句
May I use a knife and fork please?
我可以用刀叉吗？
My aunt will come to live with me for some days.
我阿姨会来和我住一些日子。
Lucy ran faster than Meimei.
露茜比梅梅跑得更快。