fluctuant
🇺🇸
/'flʌktʃʊrnt/
🇬🇧
/ˈflʌktjʊənt/
adjective
C1
Varying in a way that changes often and unpredictably.
The weather has been fluctuant, with sudden changes in temperature.
天气一直变化不定，温度突然变化。
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.
医生发现了一个波动的肿块，表明是一个充满液体的囊肿。
translation
波动的, 波动性的（指肿胀触诊时有波动感）