casing

• 名词，指保护性的外壳或外层，如机壳、套管、箱盒或罩子；也可指轮胎的外胎。

A noun referring to a protective covering or outer layer for something, such as a shell, case, or enclosure.

1. Protective coveringB1formal

   A protective outer layer or shell around something.

   保护外壳

   • The sausage has a thin casing made of natural material.
   • The phone's casing is made of durable plastic.
   • Remove the casing from the pillow before washing it.

   同义词capsulecasecovercoveringenvelopehousinghulljacketsheathshellwrapper

2. Housing for machineryB2formaltechnical

   The outer frame or enclosure for mechanical or electrical equipment.

   外壳

   • The engine casing was damaged in the accident.
   • Inspect the casing of the motor for cracks.
   • The pump's casing protects the internal components.

   同义词cabinetcasecoverenclosurehousingjacketshell

3. Window or door frameB2formal

   The frame around a window or door.

   门窗框

   • The old house has beautiful wooden window casings.
   • Paint the door casing to match the trim.
   • The casing around the window was rotting from moisture.

   同义词architraveframesurroundtrim

• 动词，指仔细检查或查验某事物，常用于法律或调查语境中。

A verb meaning to examine or inspect something carefully, often in a legal or investigative context.

1. B2formal

   To examine or inspect something carefully, often in a legal or investigative context.

   审查

   • The detective cased the scene before the team arrived.
   • They cased the building to plan the robbery.
   • He cased the neighborhood for potential clients.

   同义词examineinspectinvestigatereconnoiterscoutscrutinizesurvey