When he had things arranged on the table, he pulled the drill toward the dental chair and sat down to polish the false teeth.
桌上东西码好了，他就把牙钻拉到牙科椅边上，坐上椅子磨起假牙来。
Noise-reduction headphones block the screech of the drill and play a CD of your choice, and the specially constructed dental chair channels the sound waves from the music into a full-body massage.
隔音耳机使你听不到牙钻刺耳的噪音，倾听自己喜欢的音乐。特别定制的治疗椅将音乐的声波转换成全身按摩。
Noise-reduction headphones block the screech of the drill and play a CD of your choice, and the specially constructed dental chair channels the sound waves from the music into a full-body massage.
隔音耳机使你听不到牙钻刺耳的噪音，倾听自己喜欢的音乐。特别定制的治疗椅将音乐的声波转换成全身按摩。
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