n.土堆，土丘( mound的名词复数 )；一大堆； 双语释义：n.(名词)[C]土堆;土丘 a pile of earth,stones,etc. often one built in ancient times as a defence or over a grave;small hill[C]一大堆 a large pile英英释义： moundn.(baseball) the slight elevation on which the pitcher stands同义词：hillpitcher's