Seroglobulin
血清球蛋白
🗣️ 情景例句
Ellen, why don't you go out to the backyard
Ellen，何不去院子
I don't know what you're thinking!
真不知道你是怎么想的！
I suggest you go up to our next higher price level.
我建议您采用我们价格再高一级的货