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
Come on in.
请进。
Would you mind handing me that cup?
请把那个杯子递给我，好吗？
she rang up her daughter and asked for her help in what she described as a little spot of bother.
她只得打电话向女儿求援，说她碰到了一点儿小麻烦。