世博会举办期间有三个季节，它们是春季，夏季和秋季，怎么说？

There will be three seasons . They are spring, summer and autumn.

youdao

世博会举办期间有三个季节，它们是春季，夏季和秋季，怎么说？

There will be three seasons . They are spring, summer and autumn.

youdao