- a base hit on which the batter stops safely at second base
同义词:double, two-base hit, two-bagger, two-baser
- a stand-in for movie stars to perform dangerous stunts
同义词:double, stunt man, stunt woman
- someone who closely resembles a famous person (especially an actor)
同义词:double, image, look-alike
- a quantity that is twice as great as another
同义词:double
- raising the stakes in a card game by a factor of 2
同义词:doubling, double