mainspring

n. 主发条, 主要动机, 主要原因, 主要动力 [法] 主要动机, 主要原因, 主要动力

词形变化

mainsprings 复数 mainsprings

释义与例句

n.
  1. 1.

    The principal spring of a clockwork mechanism, which drives it by uncoiling.

    发条

  2. 2.

    The most important reason for, or element of, something.

    比喻

    My daughter is the mainspring of my life.

词汇关系

名词

上位词 1

spring

整体词 1

clockwork

词源

From main + spring. For figurative sense, compare spring (“source, origin”).

来源：wiktionary