It's easy to use word.
Word has a pinyin guide, and you can mark the designated words with pinyin.
Select these three poems first, then press the Pinyin Guide, and then determine the font size.
As for the explanation, look upstairs, it is basically accurate. If you are not satisfied, you can look it up in the encyclopedia. Shouldn't it be difficult?
There are many versions of Du Li Shu Ci.
Some things can't be found online, and some things have to be done by yourself. Internet users don't have much time, so it's impossible to help you look up the dictionary, hehe.