fold

• 名词，指折叠形成的弯曲、褶痕或层，也指折叠的部分或山丘间的凹地。

A noun referring to a bend, crease, or layer formed by doubling something over on itself.

1. Bend or creaseA2formal

   A line or mark made by bending something, such as paper or fabric.

   折痕

   • She made a neat fold in the paper.
   • The fold in the shirt was perfectly straight.
   • He ironed out the fold in the trousers.

   同义词creasecrinklefurrowpleatpuckerridgetuckwrinkle

2. Geological foldC1formalscientific

   A bend in rock layers caused by pressure or movement in the Earth's crust.

   褶皱

   • The geologist studied the fold in the mountain range.
   • This fold was formed millions of years ago.
   • The anticline is a type of upward fold in rock strata.

   同义词bendflexure

3. Group or communityB2formal

   A group of people with shared beliefs or interests, often used in religious contexts.

   群体

   • He returned to the fold after years of absence.
   • The church welcomed new members into the fold.
   • The political party brought dissidents back into the fold.

   同义词churchcommunitycongregationfellowshipflock

• 动词，表示把某物（尤其是纸或布）的一部分折到另一部分上面，或把东西合拢、收拢起来。

A verb used to indicate the act of bending something, especially paper or fabric, so that one part lies on top of another, or to close or collapse.

1. A2formal

   To bend something, especially paper or cloth, so that one part lies on top of another part.

   折叠

   • She folded the letter and put it in an envelope.
   • He folded the laundry and put it away.
   • Fold the paper in half before cutting.

   同义词bendcreasedoublefold uppleattuckturn over

2. B1formal

   To close or shut something, such as a chair, table, or umbrella, by bending or moving its parts together.

   折叠

   • He folded the deck chair and stored it in the shed.
   • She folded the stroller before putting it in the car.
   • Fold the umbrella when you enter the building.

   同义词closecollapsefold upfurlshut

   反义词extendopenspreadunfold

3. Business failureB2informal

   To close a business because it is not successful.

   倒闭

   • The restaurant folded after only six months.
   • Many small businesses folded during the recession.
   • The company folded due to lack of funding.

   同义词closecollapsefailgo undershut down

   反义词flourishprospersucceedthrive

短语动词变体fold up