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
Hello, sir.
您好，先生。
It's faster but more expensive to ship goods by air.
空运较快但运费较高。
It was getting very windy in the hills.
山上还刮起了大风。