Reflection sounding
[电] 反射发声
🧩 词语组成解析
sounding
['saundiŋ]
n. 探通术;
v. （使）发出声音，响( sound的现在分词 );发（音）;试探;探测;
🗣️ 情景例句
Congratulations!
恭喜你
How do you do?
你好！
Sally was very excited because she had never travelled on a train before.
萨莉非常激动，因为她从未乘过火车。