Diacetylene polymer
[化] 二乙炔聚合物
🧩 词语组成解析
联乙炔, 丁二炔
🗣️ 情景例句
Hello, Dad.
你好， 爸爸。
Don't make rude remarks about their appearances.
不要口无遮拦，批评他们的外表。
The contract contains basically all we have agreed upon during our negotiations.
这个合同基本上囊括了所有我们在谈判中所达成协议。