Testa

[testә]

解释:

(noun.) protective outer layer of seeds of flowering plants.

录入:罗兰--From WordNet

解释:

(n.) The external hard or firm covering of many invertebrate animals.

(n.) The outer integument of a seed; the episperm, or spermoderm.

约瑟夫编辑

解释:

n. the outer integument of a seed.

贾维斯整理