Fleximer
[建]水泥-橡胶-乳胶混合料
🗣️ 情景例句
You think I can just skip it now and get to it at college?
你想我现在略过数学， 等到上了大学再学， 可以吗？
I've read about it,but I'd like to know more about it.
我已经知道了一点儿，但我还想多了解一些。
What was the population of the less developed countries in 1950?
1950年不太发达国家的人口是多少？