sponges

Sponges absorb water.

吸水。

His 30-yesr-old druggie doesn't work and sponges off his mom by making promises he never keeps.

30岁的毒虫工作，靠母亲养活，总作没实现的承诺。

Recently, many polyhydroxylated sterols with different biological activities have been found in the soft corals，sponges，algae and star fish．Zeng L.

近年来，从软珊瑚，，藻和星中都发现有生理活性的多羟基甾醇。