n. 海绵, 海绵状的东西 vt. 用海绵擦拭, 吸收掉, 抹掉 vi. 采集海绵, 海绵般吸收 【化】 海绵; 海绵动物; 海绵状物 【医】 海绵 相关词组: chuck in the sponge throw in the sponge toss in the sponge pass the sponge over throw up the sponge toss up the sponge chuck up the 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
