nice to meet you 请问 里面的to 是什么词 还有 happy birthday to you 中的 t

nice to meet you 请问 里面的to 是什么词 还有 happy birthday to you 中的 t nice to meet you 的同义词是什么 Nice to meet you too.中的too的词性是什么?问题补充中还有. nice to meet you Nice to meet you! Nice to meet you . happy birthday to you Happy birthday to you! Happy Birthday to you Happy Birthday to you Happy Birthday t HAPPY ,HAPPY BIRTHDAY TO YOU Nice to meet you同义句是什么? Nice to meet you.中的you为什么读to