extracellular ferment的用法和樣例：
例句
- Some extracellular proenzymes may be activated by secreted lysosomal proteinases.
有些細胞外酶原能被分泌的溶酶體蛋白酶所激活。 - For some microorganisms extracellular enzyme production is of major importance for normal growth and it ws from this source that enzymes were first commercially exploited.
對於一些為微生物來說，胞外酶的產生對正常的生長是非常重要的，酶的最初的商業化利用正是來源與此。
