快d入黎幫我譯英文丫唔該(10marks!!)超急!!!!!!!要撮要，每篇不多於30words

定音鼓是由一個共鳴胴上面緊繃者小牛皮或是塑膠製的面皮。皮面由木頭圈固定再用金屬環套住。不論是古代手調式或現代踏板式的定音鼓都具有相同的音域和音質。定音鼓通常以兩個以上為一組，演奏時使用兩支前頭包著毛氈的木製鼓棒，常用基本奏法有單奏及滾奏。

The timpani is by the face skin that is made of calf-skin or plastics of the tight one on the trunk of a sympathetic response. The surface is enclosed and and then entangles regularly with the metal ring by the wood. No matter ancient hand mode or timpanies of the modern footboard type all have the same compass and tone quality . Timpani one group with two or more usually, use two ahead bag wooden wonderful drum of felt when the play, play the law to play and roll and play dailily only.



木琴是將不同長度與厚度的硬木板，按音階的順序排列在一框架上，其實音約比記譜高一個八度。若在木板下方裝置了一個可調節音高的共鳴管，演奏時以纏線的擊槌敲打，音色會因擊槌頭的質料不同而異，有木製、橡膠及毛氈等種類。

Xylophone different length and hardwood board of the thickness, arrange at one frame according to order of scale, sound in fact make an appointment than write table high first 8 degrees. If the sympathetic response of an adjustable pitch of device below the plank is in charge of, in order to twine hitting the mallet and beating of the line at the time of play, the sound will be different because the material which hit the mallet head is different, there are such kinds as wooden , rubber and felt ,etc..



鐵琴構造原理與木琴相同，只是將硬木板換置成鋼鐵製的音板，用小槌敲擊發音，聲音輕脆，餘音短促，音域沒有一定，小型的為兩個八度，大型的為三個八度

Iron musical instrument construct principle to be the same as xylophone , is it put transliteration board that steel make to change hardwood board just, strike the sound of pulling the trigger with the low mallet , the sound is light and fragile , lingering sound is very brief , it is sure that there is not the compass, the small-scale one is two eight degrees, the large-scale one is three eight degrees.



管鐘本泛指體鳴樂器與膜鳴樂器組合的樂器。管鐘是將不同長度的金屬管下吊在一個架子上，音域有一又二分之一個八度和兩個八度，以半音階排列，演奏時用琴槌敲擊鐘管頂端來發出聲音。

Tubular bells originally refer to the body in general and ring the musical instrument and membrane and ring the musical instrument that the musical instrument made up . Tubular bells hang at one shelf different metal pipe of length, compass have one - 1/2 8 degrees and two 8 degrees, arrange with chromatic scale, beat the clock and in charge of carrying and bringing in sounding with the musical instrument mallet at the time of play.