1.
cassette player
ph.1. 录音带放音机
2.
(of a tape,record,etc)produce sound
（指录音带、唱片等）放音
3.
recording reproducing head
记录-重放磁头, 录音-放音磁头
4.
cassette type player and other magnetic sound-reproducing apparatus
盒式磁带放音机和其他磁性放音设备
5.
Music will Be played on a phonograph.
将用留声机播放音乐。
6.
Do you sell portable cassette players?
卖手提卡式放音机吗?
7.
erasing machine for magnetic sound recorders or reproducers
磁性录放音机用消磁器
8.
Restaurants often play canned music.
饭馆里常播放录音音乐.
9.
play(sth recorded)again on a tape-recorder,video recorder,etc
重放（录音、 录像等）.
10.
audio-frequency amplifier
声频放大器音频放大器
11.
recording amplifier
录音放大器记录放大器
12.
Controls the volume level of recorded and play-back sounds.
控制录制声音和播放声音的音量。
13.
an audio-system that can reproduce and amplify signals to produce sound.
能复制、放大声音形成声音的音频系统。
14.
a diacritical mark (-) placed above a vowel to indicate a long sound.
放在元音上表示发长音的发音符号（-）。
15.
a diacritical mark (u-curved) placed over a vowel to indicate a short sound.
放在元音上标示短音的发音符号（u形）。
16.
An amplifier, especially one used to amplify music.
音乐放大器尤指用于放大音乐的放大器
17.
Adjust the volume, balance, bass, and treble settings for your audio playback and recording devices.
为您的音频播放和录音设备调整音量，平衡，低音和高音设置。
18.
She spoke as small as possible.
她尽量放低声音说话。