单词
echo
英 ['ekəʊ] 美['ɛko]
基本信息
  • vt. 反射;重复
  • vi. 随声附和;发出回声
  • n. 回音;效仿
核心词汇中频词CET6考研IELTSTEM4CET4

英英释意

1. the persistence of a sound after its source has stopped
2. a reply that repeats what has just been said