Block copolymer
[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;
copolymer
[[kəu'pɔlimə]]
n. 共聚物\\n[化] 共聚物; 二元共聚物
🗣️ 情景例句
and leave the number with the baby-sitter.
把餐厅的电话告诉临时保姆。
If you're not sure how to do is, ask me.
假如你拿不准怎样做，就来问我好了。
It had broken down the previous summer, and though I promised to repair it, I had never got round to it.
那台割草机去年夏天就坏了，尽管我答应修，但一直没抽出时间，