单词 staurus 释义 ‖ staurus Zool.|strs|[mod.L., ad. Gr. cross.]A type of sponge spicule of the form of a cross.1887Sollas in Encycl. Brit. XXII. 417/1 (Sponge) The suppression of both proximal and distal rays [of a sexradiate spicule] gives the staurus...