三十号英文怎么说读

"三十号"英文读作 "thirtieth"，来源是英语单词"thirty"（三十）和后缀"th"（第几）组合而成。

例如：

The thirtieth of September is my birthday. (九月三十号是我的生日。)
He won the race on the thirtieth of June. (他在六月三十号赢得了比赛。)
The thirtieth of December is the last day of the year. (十二月三十号是一年的最后一天。)