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.
她幫助他人的熱情是她慈善工作的動力。
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.
鐘錶匠仔細地更換了古董鐘錶中的磨損主發條。
translation
主要動力, 主發條
詞形變化
Plural
mainsprings