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 are you getting at?
你想说明什么?
We can't recall how often he's written.
我们记不起来他每隔多久写一封信。
They finally found a small gold coin which was almost worthless.