essential utility的用法和樣例：
例句
- Endothelial dysfunction plays an essential role in initiation and progression of atherosclerotic diseases.
內皮功能完整性的維持需要通過細胞間不同的機制調整其活性。 - This suggests that conformational integrity of aminoacylase appears to be essential for its catalytic activity.
這表明酶基醯化酶構象的完整性是酶具有催化活力的基礎。
