Poly(ether-ketone)
[化] 聚醚酮
🗣️ 情景例句
Did you see the washcloth
你看见浴巾
I also want to express my gratitude to all of my teachers over the years.
另外，我还想感谢这个多年来所有教过我的老师。
True and False have opposite meanings.
真与假含义完全相反。