Polys
n. [医]多形核白细胞：多形核白细胞的俗称。见neutrophil( poly的复数形式 ); polyethylene 聚乙烯; polymer 聚合物; copolymer of vinylidene fluoride and tetrafluoroethylene 亚乙烯氟四氟乙烯共聚物（科技符号）
🗣️ 情景例句
I built the theater there
我建造这个剧院，
I ate bread for breakfast yesterday.
我昨天早饭吃的是面包。
There are a lot of people in the swimming pool.
游泳池里挤满了人。