常見(jiàn)例句雙語(yǔ)例句Sponges with6-rayed siliceous spicules; choanocytes are restricted to finger-shaped chambers.包含有六道邊花矽質(zhì)骨針的海綿；環(huán)細(xì)胞限于指狀室中。 返回 siliceous spicules