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
Nice work.
干得好。
I've realized that we should stop the pollution.
我明白必须阻止公害的原因了。
Even if a piped water supply is safe at its source,
既使管道供水系统在水源处是安全的，