YOU SAID:
the billion age entrance
INTO JAPANESE
億歳入り口
BACK INTO ENGLISH
Billion-year-old entrance
INTO JAPANESE
000, 000 歳入り口
BACK INTO ENGLISH
000, 000-year-old entrance
INTO JAPANESE
000、000 歳入り口
BACK INTO ENGLISH
000, 000-year-old entrance
That didn't even make that much sense in English.