By 2002, this improvement had reached a plateau.
到了 2002年,這種上升勢頭開始進入了一個平穩(wěn)的階段。
近義:level out (at... ) / maintain the same level /remain stable 維持在(某個水平上)
The number of cases of the disease remained relatively stable in 2009.
在2009年,該病的病例數(shù)量維持在一個穩(wěn)定的水平上。
反義:fluctuate around... / fluctuate between...and…
Their total leisure time per week fluctuated between 22 hours and 35 hours.
他們每周的空閑時間在22個小時到35個小時間上下波動。