Cellulose diacetate
[建] 二乙酸纤维素
🧩 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;
[有化]双乙酸盐[酯]
🗣️ 情景例句
Two hours from now.
从现在起还有两个小时。
Shall I turn on the television?
我可以打开电视机吗？
Yes, and we must stop people walking on this floor until it's firm. It may be necessary to put up a notice saying Keep off. Another thing, we' ll have to drill a hole in the wall for the electric wires.
是的，因此在地板牢固前，我们必须防止人们从地板上行走。可能还需要竖一个布告牌，写上“不得践踏”。还有，我们必须在墙上钻一个电线孔。