Poly(ether-ketone)
[化] 聚醚酮
🗣️ 情景例句
His studies advanced steadily.
他的学业不断进步。
A shiver of fright ran through them as he dove from the cliff.
他从悬崖跃下时，恐怖的颤栗掠过了全身。
What do you have to do round the house when you're at home?
你在家时得做些什么家务事？