essential utility的用法和样例：
例句
- Endothelial dysfunction plays an essential role in initiation and progression of atherosclerotic diseases.
内皮功能完整性的维持需要通过细胞间不同的机制调整其活性。 - This suggests that conformational integrity of aminoacylase appears to be essential for its catalytic activity.
这表明酶基酰化酶构象的完整性是酶具有催化活力的基础。
