基本解释n.裸子植物同根派生 gymnosperm相关词英汉例句用作名詞 (n.)Gymnosperm Jisheng is the Jurassic period.侏羅紀是裸子植物的極盛期。She said, silver fir is a gymnosperm, Pinaceae, evergreen trees.她稱,銀杉屬裸子植物,松科,常綠喬木。gymnosperm更多例句