jack-knives

1. 1.

   A compact folding knife.

   一种紧凑型折叠刀。

2. 2.

   The front-dive pike, in which the body folds and unfolds.

   前跳屈体动作,身体折叠再展开。

3. 3.

   An abdominal exercise where knees and torso are raised from a lying position.

   一种腹部锻炼,从躺卧姿势同时抬起膝盖和躯干。

4. 4.

   A game of skill played with a pocket knife in which participants try to throw or flip the knife to stick upright in the ground at specified points or areas.

   一种用折叠刀进行的技巧游戏,参与者试图投掷或翻转刀子,使其以特定角度或区域直立插在地上。

前跳屈体动作,身体折叠再展开。；一种腹部锻炼,从躺卧姿势同时抬起膝盖和躯干。；一种用折叠刀进行的技巧游戏,参与者试图投掷或翻转刀子,使其以特定角度或区域直立插在地上。；大折刀

Connections

Learner notes