单词 lithistid 释义 lithistid, a. and n.|lstd|[ad. mod.L. Lithistida (O. Schmidt Grundzge einer Spongien-fauna des Atlantischen Gebietes (1870) ii. 21), f. Gr. stone + ἱ web: see -id.]a. n. A silicious sponge of the group Lithistida, in which the spicu...