Refractoloy
一种镍基耐热合金
🗣️ 情景例句
A gift from me.
这是我的一件礼物。
Mac always has to run to catch his train.
麦克常常为了赶乘火车而奔跑。
I like folk music. I write my own songs and I play the guitar as well.
我喜欢民间音乐。我唱的歌自己谱曲，我也弹吉他。