Cellulose triacetate
[机] 三乙酸纤维素
🧩 词语组成解析
cellulose
['seljuləus]
n. 细胞膜质，纤维素;（用于制作涂料、漆等的）纤维素化合物;
a. 分子中含有三个醋酸基的,三醋酸基的
🗣️ 情景例句
I'd like your help.
我要请你帮忙。
You have to study English, don't you?
你必须学英语，不是吗？
At this, the police pointed out ironically that this would hardly be necessary as the men were already under arrest.
警察听后讥讽地说，这大可不必，因为他俩已被逮捕了。