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  2. /spring
  3. /mainspring

mainspring

🇬🇧 UK/'meinspriŋ/🇺🇸 US
TOEFLC2

Definitions

n.

The principal coiled spring in a clock or watch that drives its mechanism; the chief cause or motivation behind something.

主发条;主要动力,主要原因

🧩 Root Breakdown

Root-derived
mainother
+
springleap, jump, rise suddenly; season after winter
=mainspring

Example Sentences

  • 1.

    The mainspring of the clock mechanism powers all its functions.

  • 2.

    Ambition is the mainspring driving his relentless pursuit of success.

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