Celulase
[机] 纤维素
🗣️ 情景例句
What about the baby?
那小宝宝怎么办？
Do you have a visa?
你有签证吗？
He can get up for about two hours each day, but you must keep the room warm.
他每天可以起来两个小时，但您必须保持房间温暖。