1. 名詞
   發牢騷的人, 抱怨的人
   /此名詞複數為"grousers"/
   

   同義字詞
   bear,bellyacher,complainer,crab,crank,curmudgeon,fusser,griper,grouch,growler,grumbler,grump,murmurer,mutterer,sourpuss,whiner
   

例句

1. As the tractor travels the course, the weights are pushed forward of the sled's axles, pushing the front of the sled into the ground, synthetically creating a gain in weight until the tractor is no longer able to overcome the force of friction .To help stop the sled some sleds have grouser bars that act like teeth and dig into the soil to stop the sled. [ 3 ]