1ADJ-GRADED 难消化的 Food that is indigestible cannot be digested easily. 难消化的
Fried food is very indigestible.
油炸食品非常难消化。
2ADJ-GRADED 难理解的;难吸收的 If you describe facts or ideas as indigestible, you mean that they are difficult to understand, complicated, and dull. 难理解的;难吸收的 [disapproval]