gymnosperm
名词 n.
英文释义
名词 n.
-
Any plant such as a conifer whose seeds are not enclosed in an ovary.
— Like cycads — their gymnosperm relatives — and ferns, the ginkgo produces motile sperm.
词形变化
词源
from Ancient Greek γυμνός (gumnós, “naked”) + σπέρμα (spérma, “seed”). By surface analysis, gymno- + sperm.
0 次浏览
数据来源: Wiktionary