speech後面跟什麼介詞

speech後面跟介詞of，speech of welcome 中文意思是“歡迎辭”

I have the pleasure in replying to your gracious speech of welcome.我非常愉快的答謝您熱情洋溢的歡迎詞。

Thank you very much for your gracious speech of welcome.我非常感謝您熱情洋溢的歡迎辭。