Celulase
[机] 纤维素
🗣️ 情景例句
It was a gradual process, involving many factors.
这是个渐进的过程，涉及到方方面面。
After dinner comes the reckoning.
吃喝玩乐，该付代价。
The coldest season of the year is winter.
一年里最冷的季节是冬天。