名词 sponge:

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

2. someone able to acquire new knowledge and skills rapidly and easily

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

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

动词 sponge:

1. wipe with a sponge, so as to clean or moisten

2. ask for and get free; be a parasite

3. erase with a sponge; as of words on a blackboard

4. soak up with a sponge

5. gather sponges, in the ocean

spongen.海绵vt.用海绵擦拭；吸收掉；抹掉sponge rot海绵腐sponge gum海绵胶sponge bagn.盥洗用具袋spongelike海绵状的, 象海绵的spongework海绵网格状灰华sponge off依赖他人生活sponge outv.忘记spongedownn.用湿海棉擦洗[身体]sponge bat海绵拍sponge bed海绵金属层

1. He always sponges off others.
   他总是揩别人的油。