clamp

• 用于夹紧、固定物体或防止其移动的装置，通常通过施加压力来实现。

A device used to hold objects tightly together or to secure something in place, often by applying pressure.

1. Tool for holding objectsB1formal

   A device used to hold objects tightly together, often used in woodworking or metalworking.

   夹具

   • He used a clamp to hold the wood pieces together while the glue dried.
   • The mechanic tightened the clamp around the pipe.
   • A clamp is essential for securing the workpiece on the table.

   同义词braceclaspcrampgripvise

2. Medical deviceB2formalmedical

   A surgical instrument used to compress or hold a blood vessel or other tissue.

   夹钳

   • The surgeon applied a clamp to stop the bleeding.
   • The clamp was carefully removed after the procedure.
   • A vascular clamp is used during delicate operations.

   同义词forceps

3. Vehicle immobilization deviceB1informalbritish

   A device attached to a car wheel to prevent it from moving, often used by parking enforcement.

   车轮锁

   • He found a clamp on his car for parking illegally.
   • The parking attendant put a clamp on the vehicle.
   • She had to pay a fine to have the clamp removed.

   同义词bootwheel lock

• 动词，表示用夹具等装置将某物固定或夹紧，也指施加严格的限制。

A verb used to indicate the act of fastening or holding something tightly in place, often using a device, or to impose strict controls or restrictions.

1. Fasten tightlyB1formal

   To fasten or hold something in place using a device that applies pressure.

   夹紧

   • He clamped the wood pieces together before gluing them.
   • The mechanic clamped the hose to prevent leakage.
   • She clamped the papers to the clipboard.

   同义词claspfastengrippinchsecuretighten

   反义词detachfreeloosenrelease

2. Impose restrictionsB2formal

   To impose strict controls or restrictions, often by authorities.

   实施限制

   • The government clamped down on illegal parking.
   • Police clamped restrictions on public gatherings.
   • The school clamped new rules on cell phone usage.

   同义词checkcontrolcrack downcurblimitrestrictsuppress

   反义词easefreeliberateloosenrelax

短语动词变体clamp down