Read Edit View history 品系 pǐnxì strain Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 品系/品繫 · pǐnxì · strain 2026/03/04 品系 / 品繫 pǐnxì strain strain (of a species) 该实验室在实验中使用了一种特定的小鼠品系。 noun created sense Mar 4, 2026, 02:25 AM