n (baseball) the slight elevation on which the pitcher stands
n a small natural hill
n a collection of objects laid on top of each other
n structure consisting of an artificial heap or bank usually of earth or stones
n the position on a baseball team of the player who throws the ball for a batter to try to hit
v form into a rounded elevation
n. 土堆, 土丘( mound的名词复数 ); 一大堆