- [countable]
a piece of artificial or natural material that is soft and light and full of holes and can hold water easily, used for washing or cleaning （天然或人造、擦洗物品用的）海绵块 
a bath sponge (= to wash your body with in the bath) 浴用海绵 - (figurative)
His mind was like a sponge, ready to absorb anything. 他的脑子跟海绵似的，什么都能吸收。 Wipe the surface with a damp sponge. 用湿海绵擦拭表面。
Oxford Collocations Dictionaryadjective- damp
- wet
- dry
- …
- squeeze
- squeeze out
- absorb something
- fill with something
- soak something up
- …
- with a/the sponge
- [uncountable]
artificial sponge used for filling furniture, cushions, etc. （用以填充家具、垫子等的）人造海绵 - [countable]
a simple sea creature with a light body full of holes, from which natural sponge is obtained 海绵动物 - (British English) (also sponge cake British and North American English)[countable, uncountable]
a light cake or hot dessert made from eggs, sugar and flour, with or without fat 海绵蛋糕；松蛋糕 a chocolate sponge 巧克力海绵蛋糕
Word OriginOld English (in sense 1 of the noun), via Latin from Greek spongia, later form of spongos, reinforced in Middle English by Old French esponge.