这就是由世界自然基金会赞助的第五届国际智能器械大赛。

It's the fifth International Smart Gear Competition sponsored by the World Wildlife Fund.

youdao

这就是由世界自然基金会赞助的第五届国际智能器械大赛。

It's the fifth International Smart Gear Competition sponsored by the World Wildlife Fund.

youdao