Selective polymer
[化] 选择聚合物
🧩 词语组成解析
selective
[si'lektiv]
adj. 精心选择的;选择的，不普遍的;淘汰的;
🗣️ 情景例句
I always go back to the city in a wonderful state of mind.
我再回到城里时， 精神总是十分饱满。
Experience is a school from which one can never graduate.
经验无止境。
You mustn't come home late.You must be home at half past ten.
你不准回家太晚，你必须在10点半到家。