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
What I eat won't stay down.
我吃东西时感到恶心。
Could you change my flight date from London to Tokyo?
请你更改一下从伦敦到东京的班机日期好吗？
She was wearing a full-length skirt which swept the ground.
身穿一条拖地长裙，