Dipolymer
[化] 二元共聚物
🗣️ 情景例句
The evening newspaper is cheaper than the morning paper.
晚报比早报要便宜。
What youth is used to, age remembers.
青年时经常做的事，老年时却能记得起。
In the 1970s, computers were common enough, but only in big business, government departments, and large organizations.
在70年代，计算机已经相当普及了，但只用在大公司，政府部门和大的组织之中，