There has been an overwhelming drop in the number of wild bee species that are reported in public records over the past 30 years, according to a new study.
원문출처 : https://www.cnn.com/2021/01/22/world/wild-bee-decline-study-scn/index.html
원문출처 : https://www.cnn.com/2021/01/22/world/wild-bee-decline-study-scn/index.html