How do you use "fluctuate" in a sentence?

Currency exchange rates fluctuate constantly in response to global economic conditions. Her mood seemed to fluctuate between cautious optimism and outright despair. Temperatures in the desert can fluctuate by as much as thirty degrees between day and night.

fluctuate

Advanced Vocabulary Word British ★★★☆☆ Moderate Neutral

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Significado: To rise and fall irregularly in number, amount, or intensity; to vary unpredictably.

（数量、金额或强度）不规则地上升和下降；不可预测地变化。

Subir y bajar de forma irregular en número, cantidad o intensidad; variar de manera impredecible.

数量、金額、または強度が不規則に上下すること。予測不能に変動すること。

수량, 금액, 또는 강도가 불규칙하게 오르내리다. 예측 불가능하게 변동하다.

Fluctuate implies irregular, back-and-forth movement rather than a steady trend in one direction. It is essential vocabulary for discussing economics, markets, weather, and scientific measurements. Common collocations include 'fluctuate wildly,' 'fluctuate between,' and 'fluctuate considerably.' The noun form 'fluctuation' is equally important in academic and business contexts.

'fluctuate'暗示不规则的、来回往复的变动，而非朝某一方向的稳定趋势。它是讨论经济、市场、天气和科学测量时的核心词汇。常见搭配包括'fluctuate wildly'（剧烈波动）、'fluctuate between'（在……之间波动）和'fluctuate considerably'（大幅波动）。名词形式'fluctuation'在学术和商业语境中同样重要。

Implica un movimiento irregular de ida y vuelta, en lugar de una tendencia estable en una sola dirección. Es vocabulario esencial para hablar de economía, mercados, meteorología y mediciones científicas. Las colocaciones habituales son «fluctuate wildly», «fluctuate between» y «fluctuate considerably». La forma nominal «fluctuation» es igualmente importante en contextos académicos y empresariales.

一方向への安定した傾向ではなく、不規則な往復運動を含意する。経済・市場・天候・科学的測定について論じる際の必須語彙である。「fluctuate wildly（激しく変動する）」「fluctuate between（〜の間で変動する）」「fluctuate considerably（かなり変動する）」がよく使われる共起表現である。名詞形の「fluctuation」も学術的・ビジネス的な文脈で同様に重要である。

Fluctuate는 한 방향으로의 꾸준한 추세가 아닌 불규칙적인 오르내림을 함의합니다. 경제, 시장, 날씨, 과학적 측정을 논할 때 필수적인 어휘입니다. 흔한 연어로는 'fluctuate wildly(격렬히 변동하다)', 'fluctuate between(~사이에서 변동하다)', 'fluctuate considerably(상당히 변동하다)' 등이 있습니다. 명사형 'fluctuation(변동)'도 학술 및 비즈니스 맥락에서 동일하게 중요합니다.

Ejemplos

Currency exchange rates fluctuate constantly in response to global economic conditions.
汇率随全球经济形势的变化而持续波动。
Los tipos de cambio fluctúan constantemente en respuesta a las condiciones económicas mundiales.
為替レートは世界の経済情勢に応じて絶えず変動しています。
환율은 세계 경제 상황에 따라 끊임없이 변동합니다.
Her mood seemed to fluctuate between cautious optimism and outright despair.
她的情绪似乎在谨慎的乐观和彻底的绝望之间波动。
Su estado de ánimo parecía fluctuar entre un optimismo cauteloso y una desesperación absoluta.
彼女の気分は慎重な楽観と完全な絶望の間で揺れ動いているようでした。
그녀의 기분은 조심스러운 낙관과 완전한 절망 사이에서 오락가락하는 것 같았습니다.
Temperatures in the desert can fluctuate by as much as thirty degrees between day and night.
沙漠地区的日夜温差可达三十度。
Las temperaturas del desierto pueden fluctuar hasta treinta grados entre el día y la noche.
砂漠の気温は昼夜で30度も変動することがあります。
사막의 기온은 낮과 밤 사이에 30도나 변동할 수 있습니다.

Pronunciación

Guía de uso

Contexto: academic, professional, media

Tono: neutral

Origen e historia

From Latin fluctuare (to undulate, wave), from fluctus (a wave), from fluere (to flow). It entered English in the mid-17th century, initially describing the movement of water before extending to abstract quantities.

Contexto cultural

Era: Modern

Generation: All ages

Social background: Universal

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