inexhaustible
🇺🇸
/ˌɪnɪɡˈzɔːstəbl/
🇬🇧
/ˌɪnɪɡˈzɔːstəbl/
never running out or used up; very large or limitless
The library had an inexhaustible supply of books.
圖書館擁有取之不盡的書籍供應。