A group of scientists and educators launched an organization last year called the National Phenology Network.

一群科学家和教育家在去年发起了一个叫做“国家物候学网”的组织。

youdao

A group of scientists and educators launched an organization last year called the National Phenology Network.

一群科学家和教育家在去年发起了一个叫做“国家物候学网”的组织。

youdao