a percussion instrument with wooden bars tuned to produce a chromatic scale and with resonators; played with small mallets
例句
用作名词 (n.)
He worked hard to perfect his craft, and before his 20th birthday, he added the tympani, marimba and xylophone to his repertoire. 他刻苦努力以提高自己的技艺,不到20岁,就把定音鼓、马林巴琴和木琴加入了他的全部器乐曲目中。