voice recorders
digital recorders
audio recorders
musical recorders
A: Do you have the recorders for the music lesson?
A：你带了音乐课要用的竖笛了吗？
B: Yes, they are in my backpack.
B：带了，在我的背包里。
1) 录音设备
2) 竖笛
3) 记录者
1. 录音机
2. 竖笛
noun
1. devices used for capturing sound or video
2. a musical instrument similar to a flute
Synonym: audio devices, flutes