“硬鳞”造句
鲟鱼和长嘴鱼都是
硬鳞鱼.
Sturgeons and gars are ganoid.
硬鳞鱼在更早的地质时期数量巨大.
Ganoid fishes swarmed during the earlier geological periods.
陆龟的背甲高而呈圆盖形;后肢粗大, 形如象腿;前肢覆以
硬鳞.
Tortoises have a high, domed shell, heavy elephant - like hind legs, and hard - scaled forelegs.