A key is the part of a pianoforte that you touch to make music.
琴键是
琴上用手指敲击的部件,它
琴发出乐音。
A key is the part of a pianoforte that you touch to make music.
琴键是琴上用手指敲击的部件,它琴发出乐音。
Conlusion Musicotherapy is effective in curing senile Tinnitus,It is suitable to be widely introduced into use...
结论乐音疗法对老年性耳鸣有
显疗效,宜于推广应用。
声
：以上例句、词性分
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