Poly(ether-ketone)
[化] 聚醚酮
🗣️ 情景例句
How can I reach you?
我怎样才能联系到你呢？
Don't throw out the baby with the bath water.
切勿良莠不分一起抛。
The elephant is not immediately susceptible to such blandishments, however,
然而大象不会立刻被这些讨好的话感动，而