释义
adj.
like a sponge, especially in being porous, compressible, elastic, or absorbent
（尤指在多孔、可压缩性、弹性及吸水性方面）像海绵的
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a soft, spongy blanket of moss. 一层柔软得像海绵般的青苔。
(of metal)having an open, porous structure
（金属）多孔的
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spongy platinum. 多孔铂。
(chiefly of a motor vehicle's braking system)lacking firmness
（尤指机动车辆的制动系统）不稳固的。
