Colas
[建] 沥青乳浊液, 沥青乳胶体
🗣️ 情景例句
How do I do that?
我该办什么手续呢？
Misforunes come on horseback and go away on foot.
遭灾易，消灾难。
Which person do you think is qualified for the job?
你认为哪一个人能胜任这份工作？