gymnosperm的音标：gymnosperm的英式发音音标为：['dʒɪmnəspɜ:m]gymnosperm的美式发音音标为：['dʒɪmnəˌspɜm]...

Gymnosperm A general term for any seed plant except the angiosperms, characterized by bearing naked seeds.裸子植物:被子植物以外的种子植物统称裸子植物, 以种子裸露为特征....

n.裸子植物...