sponge

sponge

名词 sponge:

a porous mass of interlacing fibers the forms the internal skeleton of various marine animals and usable to absorb water or any porous rubber or cellulose product similarly used

someone able to acquire new knowledge and skills rapidly and easily

同义词：quick study

a follower who hangs around a host (without benefit to the host) in hope of gain or advantage

同义词：leech, parasite, sponger

primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies

同义词：poriferan, parazoan

动词 sponge:

wipe with a sponge, so as to clean or moisten

ask for and get free; be a parasite

同义词：mooch, bum, cadge, grub

erase with a sponge; as of words on a blackboard

soak up with a sponge

gather sponges, in the ocean