What does the cryptic crossword clue "Bruce's avid about one exploring the sea? (5,5)" mean?

The wordplay uses an anagram. anagram of BRUCE'S + AVID = SCUBADIVER The answer is SCUBADIVER.

Bruce's avid about one exploring the sea? (5,5)

Daily Mail Cryptic #17002 | 11 Across | 2023-01-02 flower