Polyacrylonitrile
n. [化]聚丙烯腈
🗣️ 情景例句
If the real owners don't come to claim Gemma ...
如果狗的主人没认领Gemma……
Would you be so kind as to open this window for me? It's stuck.
你能为我打开这扇窗户吗？ 它粘住了。
In that case, we'd like cash on receipt of invoice.
这样的话，您在收到帐单时请付现。