| 释义 |
cy·ca·da·ce·ae AHDˌsīkəˈdāsēˌē,ˌsik-
基本英英例句
苏铁科¹⁰⁰
Noun:
ancient palmlike plants closely related to ferns in that fertilization is by means of spermatozoidsType genus ofCycadaceae: genus of widely distributed Old World evergreen tropical trees having pinnate leaves and columnar stems covered with persistent bases of old leaves.凤尾松科的模式属；广泛分布在旧大陆的一种热带树，具有羽状的叶子和被老叶子持久覆盖的筒形的树干。
The known diseases and insect pests ofCycadaceaein China and their control were summarized, and 4 species of disease and 45 species of insect pest damagingCycadaceaeplants in China were recorded.对中国苏铁科植物已知病虫害及其防治研究进行综述,整理出已知病害4种,虫害45种。 |