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
Los Angeles? That's a big decision. Los Angeles
这可是个大决定。
I couldn't agree more.
我完全同意。
The fire service began to wonder whether a gas might have caused the fire.
消防部门开始怀疑有一种气体可能会导致火灾。