英语释义
1
n. 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
n. primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies
3
v. wipe with a sponge, so as to clean or moisten
4
v. erase with a sponge; as of words on a blackboard