main

• 指最重要的、起决定作用的，或规模、数量、影响力最大的。

Describes something that is the most important or largest in size, extent, or influence.

1. Most important or primaryA2formal

   Being the most significant, important, or largest in size, extent, or influence.

   主要的

   • The main reason for the delay was the weather.
   • Our main goal is to improve customer satisfaction.
   • The main entrance is located on the north side of the building.

   同义词centralchiefforemostkeyleadingmajorprimaryprimeprincipal

   反义词ancillaryauxiliaryincidentalinsignificantleastminorperipheralsecondarysubordinatesubsidiary

2. Principal or chiefA2formal

   Being the most important or central element of a group or system.

   主要的

   • The main character in the novel is a young detective.
   • The main course of the dinner was roast chicken.
   • The main road through the town is closed for repairs.

   同义词centralchiefcoreforemostkeyleadingparamountpredominantpreeminentprimaryprimeprincipal

   反义词ancillaryauxiliaryminorperipheralsecondarysubordinate

• 指供水、燃气、电力或排污等分配系统中的主要管道、电缆或通道；也泛指任何系统或网络中的主干部分。

A noun referring to a principal pipe, cable, or channel in a system for distributing water, gas, electricity, or sewage.

1. Primary pipe or cableB1formal

   The principal pipe or cable in a system for distributing water, gas, electricity, or sewage.

   主干管线

   • The water main burst, flooding the street.
   • They are repairing the gas main in the neighborhood.
   • The electrical main supplies power to the entire building.

   同义词conduitlinepipepipelinetrunktrunk line

2. Chief or principal partB2formal

   The most important or central part of something.

   主要部分

   • The main of the argument is about budget cuts.
   • In the main, the project was a success.
   • The main of the story revolves around the hero's journey.

   同义词bulkchiefcoreessenceheartprincipalstaple

   反义词adjunctauxiliaryminorsecondarysubordinatesupplement