instructive

adj.

有益的；教育性的；

adv.

有益地；有教益地；

n.

教育；指导性；

1. Misfortunes are helpful and instructive.
   不幸是有益的。
2. Both formations provide instructive early examples of integration.
   两者的成立提供了一体化的有益的先例。

The instructive role of dendritic cells on T-cell responses
The instructive role of innate immunity in the acquired immune response.
The instructive role of innate immunity in the acquired immune response.
An Instructive Role for Retinal Waves in the Development of Retinogeniculate Connectivity
Evidence for an instructive mechanism of de novo methylation in cancer cells.
Instructive role of Wnt/beta-catenin in sensory fate specification in neural crest stem cells.
The instructive animation: Helping students build connections between words and pictures in multimedia learning.
Synthetic biomaterials as instructive extracellular microenvironments for morphogenesis in tissue engineering
Cell-fate conversion of lymphoid-committed progenitors by instructive actions of cytokines.
Mullerian inhibiting substance: an instructive developmental hormone with diagnostic and possible therapeutic applications.