英语语法分析

I also have a variety of placeables, from pianos to phonographs to cable cars.

我有大量的可放置物品，从钢琴到留声机到缆车。

I had, out of my sixty teachers, a scant half dozen who couldn't have been supplanted by phonographs.

我的六十位老师之中，不可能以留声机来取代的，我看不到半打。

Columbia Records introduced the first successful microgroove long-playing phonographs way back in June 1948.

早在1948年的6月，哥伦比亚唱片公司就成功引进了第一张可供留声机长时间播放的密纹唱片。