Pectinesterase
n. [生化]果胶(甲)酯酶
🗣️ 情景例句
when I was about eighteen years old.
那时我差不多十八岁。
Morning, Alice.
早上好，爱丽斯！
If there had not been a hard layer of rock beneath the soil, they would have completed the job in a few hours.
如果不是因为土壤下面有一层坚硬的岩石，他们的营救工作仅用几个小时就可以完成了。