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”
🗣️ 情景例句
What do you do, if I may ask?
你不介意的话,能告诉我你是做什么工作的吗?
Why didn't you do it?
为什么你不做?
Up to now, historians have assumed that calendars came into being with the advent of agriculture, for then man was faced with a real need to understand something about the seasons.