Now, all this diversity means that you can look at a pollen grain and tell what species it came from, maybe have a sample and you want to see where it came from.
所有这些多样性， 意味着你可以看着一粒花粉 然后说出它来自哪种植物。 如果你有标本并想知道花粉出自何种植物 这会非常简单。