Echo ranging
[电] 回声定域
🧩 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. 距离修正, 广泛搜索
🗣️ 情景例句
No problem, sir. Someone will bring them to your room shortly.
没问题，先生。有人会尽快给你送过去。
Diligence is the mohter of success.
勤奋是成功之母。
Their sleeping bags were warm and comfortable, so they all slept soundly.
睡袋既暖和又舒服，所以，他们都睡得很香。