calcar avis[解剖] 禽距
calcar arch翻译;熔玻璃炉;熔炉顶
Lepidopus calcar卡尔叉尾带鱼
calcar femorale[解剖] 股骨距;股骨距英语
calcar avista禽距
femoral calcar股骨距
calcar femoral股骨距;股骨矩
calcar r骨赘
Astraea calcar小棘冠螺
N（名词） a spur or spurlike process, as on the leg of a bird or the corolla of a flower (鸟腿或花冠上的)距