To change frequently between one level and another, especially in moods or feelings.
起伏
🔊
qǐ fú
名词
形容心情、情绪、能量水平等像坐过山车一样,时高时低,不平静。
📁 分类:emotion🔖 等级:中级
📘 详细信息
📖 例句
As new parents, they experienced a wild fluctuation of emotions, from pure joy one moment to utter exhaustion the next.
🔊作为新手父母,他们的情绪经历了剧烈的起伏,一会儿是纯粹的喜悦,一会儿又感到精疲力尽。
🔗 固定搭配
mood fluctuation – 情绪波动
emotional fluctuation – 情感起伏
🔄 同义词
swing (n.) – 摇摆,波动
oscillation (n.) – 摆动,振荡
🚫 反义词
steadiness (n.) – 稳定,平稳
🌱 派生词
fluctuate (v.) – 波动,起伏
fluctuation
🔊
[ˌflʌktʃuˈeɪʃn]
n.
A natural change in the level or amount of something, like temperature or rainfall.
变动
🔊
biàn dòng
名词
指自然界中某些事物的水平或数量自然地、有规律或没规律地升高和降低,比如温度、水位、光线强度。
📁 分类:nature🔖 等级:中级
📘 详细信息
📖 例句
The students recorded the temperature fluctuation in the greenhouse throughout the day for their science project.
🔊学生们为他们的科学项目记录了一整天温室内温度的变动。