constancy

US /ˈkɑːn.stən.si/
UK /ˈkɑːn.stən.si/
"constancy" picture
1.

忠诚, 坚定, 不变

the quality of being unchanging or steadfast; faithfulness

:
Her constancy in friendship was admirable.
她在友谊中的忠诚令人钦佩。
The constancy of the stars in the night sky is a comforting thought.
夜空中星星的恒定是一种令人欣慰的想法。