Echo cancellation
[计] 消除回波, 回波消除
🧩 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”
cancellation
[kænsə'leiʃən]
n. 取消;<数>（相）约;被取消的事物;作废;
🗣️ 情景例句
I'll have to stand up and let the elderly lady have my seat.
我得起来把座位让给这个老婆婆。
Why didn't you come?
为什么你不来？
The weather was very cold, and many people were ill.
天气非常冷，很多人生了病。