VOA慢速英语:音乐家用注水玻璃杯演奏来取悦观众

stemmed – adj. having a stem, the long and thin part: such as the long, thin piece that supports the bowl of a wine glass

soundboard – n. a thin sheet of wood over which the strings of a piano or similar instrument are positioned to increase the sound produced

rubber bands – n. circles of stretchy rubber for holding things together

crystal – n. a special type of glass that is very clear

composer – n. a person who writes music