Alternating copolymerization
[化] 交替共聚; 交替共聚合
🧩 词语组成解析
a. 交互的\\n[医] 交替的
n. 共聚作用, 异分子聚合\\n[化] 共聚; 共聚反应
🗣️ 情景例句
But it is not polite to ask older people their age.
但问老人的年龄是不礼貌的。
I can't tell.
我说不准。
She was not especially pretty. But she was extremely bright.
她不是特别漂亮，但她极聪明。