a small quantity

同义词：spot

a small fragment of something broken off from the whole

同义词：chip??/??flake??/??fleck??/??scrap

an indefinitely short time

同义词：moment??/??minute??/??second

an instance of some kind

同义词：piece

piece of metal held in horse's mouth by reins and used to control the horse while riding

a unit of measurement of information (from binary + digit); the amount of information in a system having two equiprobable states

a small amount of solid food; a mouthful

同义词：morsel??/??bite

a small fragment

同义词：snatch

a short theatrical performance that is part of a longer program

同义词：act??/??routine??/??number??/??turn

the cutting part of a drill; usually pointed and threaded and is replaceable in a brace or bitstock or drill press