Echo signal
[计] 回波信号
🧩 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”
signal
['sɪgnl]
n. 信号，暗号;预兆，征象;动机;导火线;
vt. 向…发信号;用动作（手势）示意;以信号告知;
vi. 发信号;
adj. 显著的，优越的;暗号的，作信号用的;
sign记号，信号+al表名词 → 信号
🗣️ 情景例句
Excuse me, are you Mr. Peter from England?
对不起，请问你是英国的皮特先生吗？
Second, the bank called and told me I would have to keep up with my car payments or I might lose the car.
其次银行通知我得继续支付小汽车的贷款，否则我将会失去小汽车。
I'm not sure that this conference is as good as last year's.
我确信这次会议不如去年的会议精彩。