出生年月日用英语表达为 "Date of Birth (DOB)" 或者直接说 "birth date"。如果你想具体询问或提供某人的出生年月日，可以这样表达：
- 问：What's your date of birth? 或者 When were you born?
- 答：My date of birth is (具体日期), 例如：My date of birth is August 15, 1990. 或者 I was born on August 15, 1990.
希望这能帮助你准确地用英语表达出生年月日！
