英文音樂(20分...)

Woodwinds is made by wood.It's also made by metal or plastic.woodwinds are make up by a tier of small holes tube.when air through the top of tube's small holes or reed go in make tube's inside to vibrate,send out a sound.The sound's high or low is depend on
tube's length and push down's holes number to set.Tube is short,the sound will be higher,exert to blow,the sound will louder and clear.Woodwinds can cut three groups,first, is have mouthpieces.Like flute and piccolo ,second isuse two reed to make sound.Like oboe,english horn and bassoon.Third is use a single reed to make sound.Like clarinet,bass clarinet and saxphone.

Help me do the English translation .... pls
With the wind instruments are made of wood tube-shaped play musical instruments, which also have to use metal or plastic. Basically, the wind instruments by one with a row of small holes formed tubes, the air from the end of the tube keyhole, or reed flexibility in insufflation, the vibration of the air, sending a pitch. According to the level of intonation tube length and number of holes and pressing the set. The shorter the length of the tubes, the higher pitch; more Push blowing, the more voices will sound. The wind instruments can be divided into three types: One is blowing holes, such as the flute and the Curtis Institute; Second, two post - pronunciation, like oboe, British, bassoon and bass bassoon; Third is the pronunciation of single-spring post, like the clarinet, bass clarinet and saxophone