gymnospermous

基本解釋

Gymnosperm Jisheng is the Jurassic period.
侏羅紀(jì)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。
The quantity of gymnospermous pollen is not high, and the ptetidophyte spore is sporadic in the assemblage.
裸子植物花粉含量低，蕨類植物孢子零星。
Studies on the structural types of bordered pits of gymnospermous woods in China.
中國(guó)裸子植物木材具緣紋孔構(gòu)造類型的研究.
Any of various mostly needle-leaved or scale-leaved, chiefly evergreen, cone-bearing gymnospermous trees or shrubs such as pines, spruces, and firs.
針葉樹(shù)任一種生針狀或鱗狀葉常綠的、的裸子樹(shù)木或灌木,例如松樹(shù)、云杉和冷杉。