Performed polymer
[化] 预聚体
🧩 词语组成解析
v. 执行, 表演（perform的过去分词形式）
🗣️ 情景例句
Thanks a lot.
多谢。
How much does that typewriter weigh?
那台打字机重多少？
'Well, I'd prefer to stay here,' I said.
“可我更愿意呆在这儿，”我说，