Polyacrylonitrile
n. [化]聚丙烯腈
🗣️ 情景例句
He's on leave now.
他现在在休假。
He informed them that his mother had died.
他通知他们的母亲死了。
The day after the birth of the five children, an aeroplane arrived in Aberdeen bringing sixty reporters and photographers.
五胞胎降生第二天，一架飞机飞抵阿拜丁，随机带来60名记者与摄影师。