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
My favorite hobby is coin collecting.
我最大的爱好是收集硬币。
We can't rely on him.
我们不能依赖他。
No, I think it'll be all right for him to go to school.
不，我想他去上学没什么关系。