1、a flattened rigid plate forming part of the body covering of many animals
覆蓋某些動(dòng)物身體的扁平而硬的片狀物。

2、with an intact body covering has feathers from head to tail,
外部完好無(wú)缺的恐龍化石的軀體從頭到尾都有羽毛,

3、a flattened rigid plate forming part of the body covering of many animals.
覆蓋某些動(dòng)物身體的扁平而硬的片狀物。