Polycompound
多组分化合物
🗣️ 情景例句
This DJ is really good.
这个DJ真棒！
How long does it take for a letter to get to California ?
一封信到加利福尼亚要花多长时间？
The sandwiches are all ready, said her mother. I made some dumplings last night, too!
“三明治全都做好了，”她妈妈说，“昨晚我还做了一些饺子哩！”