柯林斯詞典birthday /?b??θ?de?, -d?/ (birthdays) 1. N-COUNT Your birthday is the anniversary of the date on which you were born. 生日 On his birthday she sent him presents. 他生日那天，她送了他禮物。 返回 birthday劍橋詞典the day that is exactly a year or number of years after a person was born 生日 Happy birthday, Flavio! 生日快樂(lè)，弗拉維奧！ Are you going to Ellen's birthday party next week ? 下周你去參加艾倫的生日聚會(huì)嗎？ It's her 21st birthday. 這是她21歲的生日。 例句 My birthday is on the fourth of December .Her birthday was getting nearer and I still hadn't bought her a present .My birthday is on a Friday this year .They sent her flowers for her birthday.I didn't even see her to wish her a happy birthday.習(xí)語(yǔ)in your birthday suit 返回 birthday