sag

• 名词，指物体因重量、压力或缺乏支撑而下垂、下陷或下沉的部分或状态。

A noun referring to a shape or part that sinks, droops, or hangs down, typically due to weight, pressure, or lack of support.

1. A drooping or sinking shapeB1formal

   A part of something that hangs down or sinks lower than the rest, often due to weight or lack of support.

   下垂

   • There was a noticeable sag in the middle of the old mattress.
   • The roof has a slight sag after the heavy snowfall.
   • He tried to fix the sag in the fence line.

   同义词dipdroopslump

• 动词，用于描述因重量、压力或缺乏支撑而向下沉、下垂或弯曲的过程。

A verb used to describe the act of sinking, drooping, or bending downward, especially from weight, pressure, or lack of support.

1. Droop or sinkB1formal

   To sink, droop, or settle downwards due to pressure, weight, or loss of tautness.

   下垂或下沉

   • The old mattress sagged in the middle.
   • His shoulders sagged with exhaustion after the long day.
   • The rope began to sag under the heavy load.

   同义词bendbowdipdroopflagsettlesinkslumpwilt

   反义词risestiffenstraightentighten

2. Cause to sagB2formal

   To cause something to sink, droop, or settle downwards.

   使下垂

   • The heavy rain sagged the tent's roof.
   • Constant use had sagged the springs in the sofa.
   • The weight of the snow sagged the tree branches.

   同义词bendbowdrag downdrooppress downpull downweigh down

短语动词变体sag down