Read Edit View history 酶原 méiyuán zymogen Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 酶原 · méiyuán · zymogen 2026/03/04 酶原 méiyuán zymogen an inactive substance that is converted into an enzyme when activated by another enzyme 胃蛋白酶原是胃蛋白酶的酶原。 noun created sense Mar 4, 2026, 02:25 AM