translation.en: That little hole in the middle there is for the pollen tube, and when the pollen finds its special female spot in another Morina flower, just on the right species, what happens?
translation.zh: 中间那个小洞是长出花粉管的地方。 当花粉在另一朵Morina花上 找到雌花柱头时， 当然是在同种花上，会发生什么？