自2010年至今的四级考试中， 共出现过 次
自2010年至今的六级考试中， 共出现过 次
N-COUNT 回声;回响 An echo is a sound which is caused by a noise being reflected off a surface such as a wall.
He heard nothing but the echoes of his own voice.
VERB （声音）发出回响 If a sound echoes, it is reflected off a surface and can be heard again after the original sound has stopped.
His feet echoed on the bare board floor...
The bang came suddenly, echoing across the buildings, shattering glass.
VERB 发出回声；产生回响 In a place that echoes, a sound is reflected off a surface, and is repeated after the original sound has stopped.
The room echoed...
The corridor echoed with the barking of a dozen dogs.
VERB 重复;附和 If you echo someone's words, you repeat them or express agreement with their attitude or opinion.
Many phrases in the last two chapters echo earlier passages...
Their views often echo each other...
N-COUNT （态度、观点或说法的）重复，附和 An echo is an expression of an attitude, opinion, or statement which has already been expressed.
I hear an echo of the thinking that got us into this mess in the first place...
Political attacks work only if they find an echo with voters.
N-COUNT 相似之处;再现 A detail or feature which reminds you of something else can be referred to as an echo .
The accident has echoes of past disasters.
VERB 模仿;仿效 If one thing echoes another, the first is a copy of a particular detail or feature of the other.
Pinks and beiges were chosen to echo the colours of the ceiling.
VERB 讨论不休;持续影响 If something echoes, it continues to be discussed and remains important or influential in a particular situation or among a particular group of people.
The old fable continues to echo down the centuries.