mainspring
🇺🇸
/ˈmeɪnsprɪŋ/
🇬🇧
/ˈmeɪnsprɪŋ/
noun
R
The key element or driving force behind something.
Her passion for helping others is the mainspring of her charitable work.
她帮助他人的热情是她慈善工作的动力。
R
The central spring in a clock or watch that provides the power to keep it running.
The watchmaker carefully replaced the worn-out mainspring in the antique timepiece.
钟表匠仔细地更换了古董钟表中的磨损主发条。
translation
主要动力, 主发条
词形变化
Plural
mainsprings