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jackknife

/'dʒæknaif/

📖 中文释义

  1. n. 大折合式刀, 屈体跳水
  2. vi. 弯身
  3. vt. 用大折刀切

🧩 词形变化

过去式 jackknifed现在分词 jack-knifing第三人称单数 jack-knifes过去分词 jack-knifed
📘 English Definition（英文释义）
  1. n. a dive in which the diver bends to touch the ankles before straightening out
  2. v. dive into the water bending the body at the waist at a right angle, like a jackknife
J 字母词表