extracellular enzyme activities

• 酶活性

extracellular enzyme activities的用法和样例：

例句

1. Conclusion The freezing could affect the sperm acrosin activities.
   结论冷冻后人精子顶体酶活性减少。
2. PG and PE activities in the flesh were higher than those in the core.
   果心组织比果肉组织具有更高的多聚半乳糖醛酸酶活性和较高的果胶甲酯酶活性。