proteinic substance的用法和樣例：
例句
- Many enzymes will not work without the presence of an additional nonprotein substance called a cofactor.
許多酶如不外加一種叫做輔助因子的非蛋白質物質就不能工作。 - As the main protein in red blood cells of human, hemoglobin is the basic substance that transports oxygen in blood.
摘要血紅蛋白為人體紅細胞中的一種主要蛋白質，是血液中運輸氧氣的主要物質。
