Cuprammonium rayon
[建] 铜铵嫘萦
🧩 词语组成解析
铜氨液
rayon
['reiɔn]
n. 人造丝，人造纤维丝;
🗣️ 情景例句
Have you talked to the community council?
你们跟社区的议会谈过了吗？
The best teacher one can have is necessity.
我们能得到的最好教师是“需要”。
Boy, I'm really glad to hear that.
哇，听了真叫人高兴。