Anionically polymerized polybutadiene
[化] 阴离子催化聚丁二烯; 有规立构聚丁二烯
🧩 词语组成解析
a. 聚合的\\nv. （使）聚合( polymerize的过去式和过去分词 )
[机] 聚丁二烯
🗣️ 情景例句
Come in, Michelle,
请进 ，Michelle
He has a sweeter.
他有一件毛衣。
He could not wash himself or get dressed.Instead, his sister or his parents had to help him.
他自己不能洗澡或穿衣服，他的姐姐或父母亲就只好帮他的忙。