Từ điển trực tuyến - Online Dictionary
ball bearing

Advanced English Dictionary
+ noun
a ring of small metal balls used in a machine to enable the parts to turn smoothly; one of these small metal balls

Random quote: Your vision will become clear only when you can look into your own heart. Who looks outside, dreams; who looks inside, awakes.: Carl Jung

Latest queries: delinquent, nutritional, ornery, nuzzle, serge, raffia, obese, squawk, objectification, objectionable, obliged, govt., majors, ocelot, concede, oilman, streaks, ooh, whiten, ball bearing,

Updated: 14/03/2018: A new open-source Javascript engine/library named Howler has been employed to handle audiofile. Enjoy pronunciation!

Optional: 01/2018:Picture Dictionary

Updated: 05/06/2018:List of Academic Words

Updated: 03/2019: Learning by reading annotated text, reliable state of art and updated news