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  2. /tain
  3. /sustain

sustain

🇬🇧 UK/sə'stein/🇺🇸 US/sә'stein/
NGSL 3kIELTSTOEFLGREB2

Definitions

v.

To keep something going over time; to provide what is needed to maintain life or strength; to endure or suffer

维持;支撑;承受;忍受

n.

A mechanism (e.g. a piano pedal) that holds a musical note

延音装置(如钢琴踏板)

🧩 Root Breakdown

Root-derived
susunder, below
+
tainhold, keep
=sustain

Common Collocations

  • 1.sustain growth维持增长
  • 2.sustain injuries遭受伤害
  • 3.sustain life维持生命
  • 4.sustain momentum保持势头

Example Sentences

  • 1.

    The ecosystem cannot sustain further pollution.

  • 2.

    A balanced diet and regular exercise are essential to sustain good health.

  • 3.

    The company struggled to sustain its rapid growth in a competitive market.

  • 4.

    She sustained serious injuries in the car accident and was rushed to hospital.

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