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
Don't go into hysterics.
不要歇斯底里。
Can you guess what I was doing this morning?
你能猜测我今早正在做什么吗？
While he was eating, I asked him to lend me twenty pounds.
当他吃饭时，我提出向他借20英镑。