Collosol
n. 溶胶\\n[化] 溶胶
🗣️ 情景例句
Practice tenses as much as possible.
操练各种时态。
They're building a new house up the street from me.
我上面的那条街正在造一幢新房子。
Yes, I have.I think that.I've hurt my back.
是啊，摔伤了。我想我把背摔坏了。