busy beaver

名词 n.
中文释义
英 /ˈbɪzi ˈbiːvə/    美 /ˈbɪzi ˈbiːvɚ/

英文释义

名词 n.
  1. Someone who is very busy or hard-working. informal
    — Wow! Laundry, dishes, and errands, all in one day? You've been a busy beaver.
  2. A Turing machine that attains the maximum number of steps performed, or number of non-blank symbols finally on the tape, among all Turing machines in a certain class.

词形变化

busy beavers plural
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