吃透英语课本，提升在校竞争力
n. 退潮；衰退；减少
v. 退潮；衰退；减少
现在分词：ebbing
第三人称单数：ebbs
过去式：ebbed
过去分词：ebbed
复数：ebbs
His confidence is at a low ebb.
他的信心很低落。
Linda’s enthusiasm began to ebb away.
琳达的热情开始减退。
flood and ebb
潮汐
ebb and flow
兴衰，起伏；潮的涨落
at a low ebb
处于低潮；衰败
ebb tide
退潮，落潮
ebb away
渐渐衰退；消逝
vi.衰退；减少；衰落；潮退
fail
flag
decline
n.衰退；退潮；衰落
recession
