boob tube  
noun [ C ] uk/ˈbuːb ˌtjuːb/ us/ˈbuːb ˌtuːb/
  (CLOTHING)     
  informal(女子的)紧身胸衣 
a piece of women's clothing that is made of a material that stretches and covers the top half of the body very tightly
   (TV)     
 US电视机;电视(television的非正式说法) 
informal for television