定义
a disc: 圆盘,唱片
- "At what speed should I play a 7-inch disc?"
- "Each disc covers a different aspect of life: from how to rent an apartment through to using the postal service."
- "a 7-inch disc plays at the speed of 45 rpm (revolutions per minute);"
- "Insert the next disc, sit back, and prepare for life in the USA!"