pteryla /'(p)terilә/ 📖 中文释义 n. [鸟]羽区(指鸟的生羽部位) 📘 English Definition(英文释义) n. One of the definite areas of the skin of a bird on whichfeathers grow; -- contrasted with apteria. ← pterygotympanic fissure P 字母词表 pterylae →