30日用英语怎么说

30日用英语怎么说：30th (thirty)

1. Today is the 30th of June. 今天是六月三十日。

2. The deadline for submission is on the 30th of July. 提交截止日期是七月三十日。

3. I will be turning 30 next month. 下个月我就要三十岁了。

4. The event will take place on the 30th of September. 活动将于九月三十日举行。