piggyback

• 副词，字面意为“在背上或肩上”；更常引申为“通过附属于某物或利用某物来达成目的”。常用于物流、计算机和商业语境，描述一物被另一物携带或支持的方式。

An adverb meaning "on the back or shoulders" (literally) or, more commonly, "by attaching to or taking advantage of something else" (figuratively). It is often used in logistics, computing, and business contexts to describe one thing being carried or supported by another.

1. C1formalamerican

   Describes the transportation of a truck trailer or container on a railroad flatcar.

   铁路平板车运输

   • The truck was shipped piggyback across the country.
   • Piggyback transport is an efficient way to move goods.
   • The company uses piggyback services for long-distance freight.

2. On the back or shoulderA2informal

   Carried on someone's back, shoulders, or straddled on the hip.

   在背上或肩上

   • The child rode piggyback on his father's shoulders.
   • She carried her little sister piggyback through the park.
   • He gave her a piggyback ride when she got tired.

   同义词pickaback

• 名词，指背在背上或肩上的行为，即背人；也引申为将某事物附加或搭接到现有系统或过程中的做法。

A noun referring to the act of carrying someone or something on one's back or shoulders, or metaphorically, the act of attaching or adding something onto an existing system or process.

1. Carrying on backA2informal

   The act of carrying someone or something on one's back or shoulders.

   背驮

   • The child asked for a piggyback ride home.
   • He gave his daughter a piggyback across the muddy field.
   • She carried her backpack piggyback style.

   同义词pickaback

• 动词，指背着或驮着某人，或比喻依附、搭便车式地利用已有系统或流程。

A verb meaning to carry someone on one's back and shoulders, or figuratively, to use or attach something to an existing system or process.

1. Ride on someone's back or shouldersA2informal

   To carry or be carried on someone's back or shoulders, often for fun or transport.

   背人

   • The father piggybacked his daughter around the park.
   • She asked her brother to piggyback her across the stream.
   • The kids love to piggyback each other during playtime.

   同义词bearcarryrideshouldertote

2. Transport trucks on railroad carsC1formalamerican

   To haul truck trailers loaded with goods on railroad flatcars, a method of intermodal transport.

   驮背运输

   • The company decided to piggyback the trailers to reduce fuel costs.
   • Railroads often piggyback containers for long-distance shipping.
   • They piggybacked the cargo to avoid highway traffic.

3. Haul by railroad carC1formalamerican

   To transport something, especially goods, using a railroad car as part of a combined shipment.

   铁路驮背运输

   • The logistics team piggybacked the supplies on a freight train.
   • They piggybacked the equipment to the remote site.
   • The company piggybacked the order with another shipment.

4. Support on the back and shouldersB1informal

   To physically support or lift someone or something onto one's back or shoulders.

   背在背上

   • He piggybacked his tired friend up the hill.
   • The rescuer piggybacked the injured hiker to safety.
   • She piggybacked the heavy bag onto her shoulders.

   同义词pickaback

5. Bring into alignment withB2formal

   To attach or align something with an existing system, process, or idea, often to benefit from it.

   依附

   • The new policy piggybacks on the existing regulations.
   • They piggybacked their marketing campaign onto a popular event.
   • The startup piggybacked on the larger company's distribution network.

   同义词alignappendattachcouplehitchintegratelinkmeshtack ontag on