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
Would you like an appetizer?
你想来点开胃小菜吗？
I couldn't keep the appointment because I was sick.
我不能赴约因为我病了。
The truth is that when mistakes occur, they are more likely to be ours than theirs.
事实上，差错很可能是我们自己，而不是铁路当局的。