Block polymer
[化] 嵌段共聚物
🧩 词语组成解析
block
[blɑk]
n. 块;街区;<英>大楼，大厦;障碍物，阻碍;
vt. 阻止;阻塞;限制;
🗣️ 情景例句
when it's very cold out.
冬天外面很冷的时候。
The poor man wants much, the miser everything.
贫穷人要求多，守财奴样样要。
Certainly. But please give it back soon.
可以，但是用完后请及时还回来。