中音号

The key of C has no sharps or flats, but F needs one flat to ensure that a series of consecutive notes starting on F forms the necessary pattern of whole steps or whole tones and half steps or semitones, with a half step or semitone between the mediant and subdominant.

带降号的大音阶开始于F，恰好是C下的第五级。C调既无升号也无降号，但是F调却需要一个降号以确保开始于F调的一系列音形成必需的一组全音和半音，以及介于中音和下属音间的半音。F大调，带一个降号，降B大调开始于第五级，有两个降号，以此类推。

A brass wind instrument similar to the tuba but having a somewhat higher pitch and a mellower sound .

上低音大号，次中音号一种类似于大号的铜管乐器，但具有较高的音度和柔美的声音来源：词友

A brass similar to the tuba but having a somewhat higher pitch and a mellower sound .

上低音大号，次中音号一种类似于大号的铜管乐器，但具有较高的音度和柔美的声音

A brass wind instrument similar to the tuba but having a somewhat higher pitch and a mellower sound .

上低音，次中音号一种类似于铜管乐器，但具有较高音度和柔美声音来源：词友

A brass wind instrument similar to the tuba but having a somewhat higher pitch and a mellower .

上低音大号，次中音号一种类似于大号的铜管乐器，但具有较高的音和柔美的

A bass singer or voice.A brass wind instrument similar to the tuba but having a somewhat higher pitch and a mellower sound .

上低音大号，次中音号一种类似于大号的铜管乐器，但具有较高的音度和柔美的声音

Eventually I replaced the sax with a 1935 Selmer cigar cutter model, but the sword proved irreplaceable.

那是母亲和老爸在1963年送给我的礼物，一个塞尔曼牌的马克6号次中音萨克斯管。

The basic concept of FOP can be summarized as to further optimize effective prescription according to the standard of curative effects and with the aid of modern science and technology and theories of traditional Chinese medicine.

其基本内涵可概括为：以确有疗效的中药复方为研究对象，以现代科学技术和传统中医药理论为技术支持，以该复方所治病证的药效响应为评价标准，以优化重组疗效更优的新复方为研究目的。

Ever since our world has been a world, native forests have been indiscriminately exploited by man.

自从我们的世界一直是世界原生森林被任意剥削人。