Ethocel
[化] 乙基纤维素
🗣️ 情景例句
and leave the number with the baby-sitter.
把餐厅的电话告诉临时保姆。
That's your book.
那是你的书。
So there were many people in the doctor's waiting room.
所以医生的候诊室里有很多人。