birthday [i b4:R'd#i ]    (¼øÀ§: 427 - Áß1 ¼öÁØ)  
¶æ »ýÀÏ
Mean The day of one's birth.
¿¹¹® 1. Happy birthday! (»ýÀÏ ÃàÇÏÇÕ´Ï´Ù)
2. When is your birthday? -> It's on December 18. (»ýÀÏÀÌ ¾ðÁ¦Áö? -> 12¿ù 18ÀÏÀ̾ß)
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