Colas
[建] 沥青乳浊液, 沥青乳胶体
🗣️ 情景例句
He sees her often but doesn't want to get too involved.
他常与她来往，但不愿用情太深。
We hope to hear from you soon and can assure you that your order will be dealt with promptly.
希望尽快收到贵方答复，我们保证及时处理对方定单。
It's a good opportunity!
好机会！