保持水平
level off / out
(停止升降而)保持水平
to stop rising or falling and remain horizontal
The plane levelled off at 1 500 feet.飞机在 1 500 英尺的高空保持水平飞行。
level off / out
(经过急剧的涨落后)保持平稳发展
to stay at a steady level of development or progress after a period of sharp rises or falls
Sales have levelled off after a period of rapid growth.销售经过一段时间的快速增长后呈稳定状态。
释义来自《牛津高阶英汉双解词典》第 9 版