Modacrylic fiber
变性聚丙烯腈纤维
🧩 词语组成解析
n. 人造纤维之一种
fiber
['faibə]
n. 光纤;（织物的）质地;纤维，纤维物质;
🗣️ 情景例句
I have never confirmed that the Roswell base exists, but I can't deny it either.
我从没有说过拉兹威基地存在，但我也不会否认。
Well done!
干得好！
Autumn is a busy season. The days get shorter and the nights get longer.
秋天是繁忙的季节。白天逐渐变短，夜晚则渐渐变长。