Echo amplitude
[电] 回波振幅
🧩 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”
🗣️ 情景例句
He made up his mind to give up smoking.
他下决心戒烟。
Whom do you want to talk to?
你要和谁讲话？
Later, for its personal safety and practical needs,
慢慢地，由于自身安全和实际需要，