Polyether ether ketone ketone (peekk)
[化] 聚醚醚酮酮
🧩 词语组成解析
n. <化>醚;the ether 苍穹;苍天;太空;
🗣️ 情景例句
His studies advanced steadily.
他的学业不断进步。
Although the cartons are light and easy to handle, we think it is not strong enough to be shipped.
虽然这些纸箱轻便、易拿,但我们认为它们在运输中不太结实。
When he had killed the guard, the prisoner of war quickly dragged him into the bushes.
那个战俘杀死卫兵以后,迅速地把尸体拖进了灌木丛。
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