Ethylcellulose
乙基纤维素
🗣️ 情景例句
But?
但是什么？
I meet the boy whose aunt is a secretary.
我遇到那个男孩的姑妈是秘书。
My parents were visiting relatives, and my grandparents had decided to spend the day at home.
我父母走亲戚去了，祖父母打算那天在家呆着。