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
Whatever you think is right for you is right for us.
你认为对你是好的对我们来说也是好的。
If it's not too much trouble, I would like some help.
如果你不嫌麻烦的话，我想请你帮个忙。
She went into my room and got a big surprise when she saw all those books on the floor.
她走进我的房间，当她看到地板上的那些书时，大吃一惊。