它在五月份的第二个星期天。

And it is on the second Sunday in May.

youdao

很多国家如美国澳大利亚在五月份的第二个星期天过母亲节。

While many countries such as the United States, Australia and so on celebrate mother's day on the second Sunday of May.

youdao

五月份的第二个星期天是母亲节，是妈妈的节日，昨天晚上我就暗暗下了决心：我明天一定要好好表现一下，让妈妈过个愉快的节日。 ！

Thee second Sunday of May is mother's day, mother's Day is the last night, I secretly resolved: I must look good tomorrow, let her have a happy holiday.

youdao