displacement

• 指将某物从其通常或原来的位置移开的动作，或这种被移开的状态；在物理学中也用来描述物体位置变化的距离和方向。

A noun referring to the act of moving something from its usual or original position, or the state of being moved; also used in physics to describe the distance and direction of an object's change in position.

不可数

1. Physics: Volume of fluid displacedB2formalscientific

   The volume or weight of a fluid displaced by a floating or submerged object, used to determine buoyancy.

   排量

   • The ship's displacement is measured in tons.
   • Archimedes' principle relates buoyancy to the weight of displaced fluid.
   • The submarine's displacement changes as it takes on water.

2. Physics: Change in positionB2formalscientific

   The shortest distance from the initial to the final position of a point; a vector quantity.

   位移

   • The displacement of the object was 5 meters to the east.
   • Displacement is different from distance because it considers direction.
   • Calculate the displacement of the car after it returns to its starting point.

   同义词offsetshifttranslation

3. Forced movement of peopleB2formal

   The act of forcing people to leave their homes or usual place of living, often due to conflict or disaster.

   流离失所

   • The war caused the displacement of millions of civilians.
   • Climate change is leading to the displacement of coastal communities.
   • The government provided aid for those affected by displacement.

   同义词dislocationevictionexileexpulsion

4. Engineering: Piston movementC1formaltechnical

   The volume swept by a piston in a cylinder, often used to describe engine capacity.

   排量

   • The engine has a displacement of 2.0 liters.
   • A larger displacement usually means more power.
   • The mechanic measured the piston displacement to check for wear.