Echo intensifier
[电] 回声增强器
🧩 词语组成解析
echo
['ɛko]
n. 回声，共鸣;（言语、作风、思想等的）重复;重复者;[无线电]回波;
vt. 重复，效仿;随声附和;类似;发射（声音等）;
vi. 被重复;产生回响;充满回声;
echo-, ech- 表示”声音 ,噪音”;特备是”回声”;”重复,模仿”
n. 加强者(物), 增强剂\\n[医] 增强器
🗣️ 情景例句
You haven't changed much in fifty years.
你五十年来没有什么变。
There were 15 votes in favor of my suggestion, and 23 against.
一共有十五票赞成，二十三票反对。
He has asked to be introduced to the pianist.
他要求会见这位钢琴家。