Polyacrylonitrile
n. [化]聚丙烯腈
🗣️ 情景例句
then there can't be a wedding.
婚礼就不能举行了。
This is Mr. Jones.
这是琼斯先生。
Haley jumped up and cried, That was my ancestor.
哈利跳起来叫道，“那就是我的祖先。”