noun🔗Share四十五转唱片 A gramophone record played at 45 revolutions per minute."My dad has a box full of 45s from his teenage years, mostly rock and roll singles. "我爸有个箱子，里面装满了他在青少年时期听的四十五转唱片，大部分都是摇滚单曲.musicentertainmentelectronicstechnologyChat with AIVocabulary GamePractice Reading
