Silfram
铬镍铁耐热合金
🗣️ 情景例句
How do you stay so young-looking?
你怎样保持如此年轻的？
This isn't a laughing matter.
这种事是不能开玩笑的！
We had some shoes like those a month ago,but we don't have any now.
一个月前我们有这要的鞋。但是现在没有了。