Stigmabase is a non-profit internet initiative dedicated to informing and raising awareness on the damaging effects of social exclusion and stigma around the world. The marginalization of individuals or categories of individuals is a too common phenomenon. Millions of people are facing this problem around the world and many complex factors are involved.

2018年10月12日星期五

植物是怎样运输营养物质的?

植物是怎样运输营养物质的?
- 我们每天都会吃许多美味可口的食物,这些食物不但能够满足我们的味觉,而且还为我们的日常活动提供能量。食物中的物质和能量是经过怎样的途径进入 ...