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1·I'll tip the dental chair back and that will help.

我要把牙科手术椅往后倾一些，这样可能有点帮助。

2·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。

3·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。