fluctuant
🇺🇸
/'flʌktʃʊrnt/
🇬🇧
/ˈflʌktjʊənt/
adjective
C1
Varying in a way that changes often and unpredictably.
The weather has been fluctuant, with sudden changes in temperature.
天氣一直變化不定，溫度突然變化。
B2
In medical terms, when a swelling feels soft and changes shape when touched.
The doctor detected a fluctuant mass, suggesting a fluid-filled cyst.
醫生發現了一個波動的腫塊，表明是一個充滿液體的囊腫。
translation
波動的, 波動性的（指腫脹觸診時有波動感）