Ethocel
[化] 乙基纤维素
🗣️ 情景例句
A little going-away present.
一个小小的临别礼物。
I have a lot of trouble with pronunciation.
我有发音的很多毛病。
Whenever Arthur was angry, he would walk out of the room.
阿瑟生气时，就会出去。