英语释义

1. a large strong pocketknife

2. a dive executed headfirst in which the diver bends from the waist and touches the ankles while holding the knees unbent and then straightens out

3. to double up like a jackknife
jackknifed into a seat beside me, folding up his six feet eight
— Lady Bird Johnson

4. to turn and form an angle of 90 degrees or less with each other —used especially of a tractor-trailer combination

5. to cause to double up like a jackknife

6. to cut with a jackknife

7. a small knife that has a folding blade

8. a dive in which you bend from the waist and touch your ankles and then straighten out

9. to bend in the middle like a folding jackknife especially, of a large truck to have the back part slide out of control toward the front part

10. a knife that has a folding blade or blades and can be put in a pocket

11. to double up like a jackknife

片语

flap jack-knife dive飞身镰刀式跳水

a jack-knife水手刀一把

flap jack-knife somersault dive飞身镰刀式翻腾跳水

American jack-knife clam长竹蛏

jack-knife door折刀式门

jack-knife drrick折叠式井架

jack-knife bridge折叠桥

jack-knife drilling mast折叠式桅桿

back jack-knife stroke后镰刀式跳水

英汉例句

• A new jack-knife or a box of candy pleased the older ones as much as the little fellow.

  一种新的自升式刀或糖果盒高兴的是年纪较大的多为小家伙。