英语语法分析

Figs (Ficus SPP., Moraceae) are important fruit resources for many frugivores, particularly during the period when other fruits are scarce, and so be called "keystone species".

榕属植物为多种食果动物重要的食物资源，特别是在其他果实缺乏的季节，因此有关键物种之称。

Fig wasps (Insecta: Hymenoptera: Chalcidoidea) and their host figs (Moraceae: Ficus) is an excellent model for the study of such evolutionary topics as adaptation, male polymorphism, etc.

榕树（桑科：榕属）和榕小蜂（昆虫纲：膜翅目：小蜂总科）是研究适应、雄性多型等进化问题的理想材料。