ADVERB | PREPOSITIONADVERB➤considerably, greatly大幅波動▸➤dramatically, widely, wildly急劇/大範圍/劇烈波動◇Prices have fluctuated wildly in recent years.近幾年物價波動得很厲害。➤constantly持續波動◇constantly fluctuating patterns長期波動的模式PREPOSITION➤according to隨⋯波動◇Traffic congestion fluctuates according to the time of day.交通擁堵狀況會隨一天時段的不同而變化。➤around在⋯上下波動◇The number of students fluctuates around 100.學生人數維持在 100 名左右。➤between在⋯範圍內波動◇The number of unemployed fluctuates between two and three million.失業人數在 200 萬到 300 萬之間波動。