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
Come in please, and take a seat.
请进。请坐。
What will the weather be like tomorrow?
明天将是什么样的天气呀？
Burglar alarms going off at any time of the day or night serve only to annoy passers-by and actually assist burglars to burgle.
防盗警报器在白天和黑夜的任何时候都会响起来，它的作用只是骚扰过路行人，而实际上却帮助窃贼入室行窃。