slug

鼻涕虫, 刺蛾, 懒汉, 弹丸, 金属小块, 重击

a unit of mass equal to the mass that accelerates at 1 foot/sec/sec when acted upon by a force of 1 pound; approximately 14.5939 kilograms; a counterfeit coin; an amount of an alcoholic drink (usually liquor) that is poured or gulped; any of various terrestrial gastropods having an elongated slimy body and no external shell

偷懒, 动作迟缓

重击

蛞蝓；鼻涕虫