Acoustical reflectivity
[电] 声能反射率
🧩 词语组成解析
a. 听觉的, 声学的
n. 反射率\\n[化] 反射率
🗣️ 情景例句
I would like to send this by registered mail, please.
我想把这封信挂号寄出。
To conduct an orchestra
指挥交响乐
he stooped to talk to a workman.After they had gone on,
途中，停下来与一个工人交谈，接着他们继续往前走去。