pennate diatoms羽纹纲
Pennate diatom壳缝羽纹硅藻
pennate muscle羽状肌;翻译
pennate drainage[地理] 羽状水系
alate alated pennate winged有翼的
pennate e diatoms羽纹纲
multi-pennate多羽肌
ADJ（形容词） having feathers, wings, or winglike structures 有羽毛的; 羽状的 [biology]