trapball

n.

射球戏（一种古代球戏），射球戏用球；

1796.1 German Book Describes: Das Englische Base-Ball but Was It Baseball or Rounders?
BALL-TRAP - Dictionnaire Littré.
Ball and disc over-speed shut-off mechanism for a rotary pneumatic tool
Broken Windows
SEWER BALL
The addiction trap
Effect of ganglionic blocking agents upon blood flow and resistance in the superior mesenteric artery of the dog
Effect of insulin combined alendronate sodium on bone mineral density and levels of serum BAP、TRAP-5b and BGP in aged patients with...
"THAT AFFAIR AT LEESBURG": MILITARY GEOGRAPHY AND GEOLOGY OF THE UNION DEBACLE AT THE BATTLE OF BALL'S BLUFF, LOUDOUN COUNTY, VIRGIN...
Downhole tools with ball trap