transient species

• 短命植物

transient species的用法和样例：

例句

1. Four species of ephemeral plants in the campus of Xinjiang University were selected as experimental materials for preliminary study on characteristics of fecundity and germination.
   以新疆四种短命植物为材料，对短命植物植株结实性和种子萌发特性进行了初步研究。