language laboratory
noun /ˈlæŋɡwɪdʒ ləbɒrətri/
  /ˈlæŋɡwɪdʒ læbrətɔːri/
 (also language lab 
 /ˈlæŋɡwɪdʒ læb/
  /ˈlæŋɡwɪdʒ læb/
)- a room in a school or college that contains special equipment to help students learn foreign languages by listening to recordings, watching videos, recording themselves, etc.语言实验室;语音室