Supermendur
铁钴钒(磁性)合金材料
🗣️ 情景例句
I'll say.
是的。
Don't forget to put stamps on the letter before you mail it.
不要忘记在寄信以前把邮票贴在信封上。
Can't you see? Look! It has an egg in it.
你没看见吗？瞧！里面有一只蛋。