Poly(ether-ketone)
[化] 聚醚酮
🗣️ 情景例句
I must say the products in Shanghai have improved very much in the past ten years.
我得承认上海的产品这十年来进步了很多。
Which one is more delicious.
哪一个是比较好吃的？
Where is it? asked her mother.
“剩余的钱在哪儿？”她妈妈问。