读报
登录注册网站首页
 

SCIENCE STUDY

Scientists making a plan bee

作者:TEENS
Aa
  • -   
  •    +


无人机能代替蜜蜂授粉?

When it comes to endangered species (物种), most of you may think of pandas. But did you know that bees are disappearing too? Last year, the US Fish & Wildlife Service added seven bee species to the endangered species list. What if bees die out one day?v
点击阅读全文
联系我们  |  诚聘英才  |  关于我们  |  版权声明
© i21st.cn   京ICP备2024066071号-1
 
选择报纸
选择报纸
关闭