Copolyimide
共聚多酰胺
🗣️ 情景例句
What a lovely tradition!
多么可爱的传统
That's an exaggeration!
太夸张了！
Some years ago an American psychiatrist named William Dement published experiments dealing with the recording of eye-movements during sleep.
前些年，美国一位精神病学者发表了一篇报告，报告中记录了眼球在睡眠时的活动情况。