ebb away
衰退, 渐逝
例句与用法：
His energy seemed to ebb.
他的精力似乎正在衰退。
A crab was left stranded on the beach when the tide ebbed.
退潮时，一只蟹被困留在沙滩上。
Painting was then at its lowest ebb.
那时绘画艺术非常不景气。
词形变化：
动词过去式: ebbed | 动词过去分词: ebbed | 动词现在分词: ebbing | 动词第三人称单数: ebbs |