"Rainbow" 英语读音为 ['reɪnbəʊ] 。
来源：该词源自古英语"regn-boga"，意思是“神的彩虹”。
英文例句：
"A rainbow appeared in the sky after the rain."
(雨后天空中出现了一道彩虹。)
"The end of the rainbow is where the treasure is said to be hidden."
(据说彩虹的尽头是宝藏的所在地。)
"The rainbow is a symbol of hope and peace."
(彩虹是希望与和平的象征。)