shear

• 指物理学中的一种形变，即平行平面之间发生相对滑动；也指用于剪切金属板等材料的工具。

A noun referring to a type of deformation in physics where parallel planes shift relative to each other, or a tool used for cutting sheet metal by passing a blade through it.

1. Deformation in physicsC1formalscientific

   A type of deformation where parallel planes within an object remain parallel but are displaced relative to each other in a direction parallel to themselves.

   剪切

   • The material failed due to shear stress.
   • Engineers calculated the shear strain on the beam.
   • Shear forces can cause layers of a solid to slide past one another.

   同义词shearing

2. Cutting toolB2formaltechnical

   A large edge tool used to cut sheet metal by passing a blade through it.

   剪板机

   • The mechanic used a shear to cut the steel plate.
   • Industrial shears can cut through thick metal sheets.
   • The operator adjusted the shear for a precise cut.

   同义词cutterguillotine

• 动词，表示用剪刀等工具剪下或割断某物，通常指剪羊毛或人的头发。也可指剪切物体，使其分离或变形。

A verb used to indicate the act of cutting or clipping something, typically wool from a sheep or hair from a person.

不规则动词

1. Cut with shearsB1formal

   To cut or trim something using shears or scissors.

   剪切

   • The gardener sheared the hedge into a neat shape.
   • She sheared the fabric carefully along the marked line.
   • He sheared the overgrown branches from the tree.

   同义词clipcropcutsniptrim

2. Remove wool from an animalB1formal

   To cut off the wool from a sheep or other animal.

   剪羊毛

   • The farmer shears the sheep every spring.
   • They hired a professional to shear the flock.
   • Shearing the sheep is a skilled job.

   同义词clipfleece

3. Cut through with shearsB2formal

   To cut or slice through something using a tool like shears.

   用剪刀剪

   • The metalworker sheared the steel plate with a hydraulic cutter.
   • He sheared the rope with a single clean cut.
   • The machine shears the paper into strips.

   同义词clipcropdocklopmowprunesniptrim

4. Deform under stressC1formal

   To become deformed or break due to forces that cause parts to slide past each other.

   剪切变形

   • The metal beam sheared under the extreme weight.
   • The bolt sheared off, causing the structure to collapse.
   • Engineers test materials to see how they shear under pressure.

   同义词fractureruptureseparatesplittear