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
You still look like a teenager.
你看起来像一个十几岁的青年。
How many bottles are you going to buy?
你要买几瓶？
It was a bit green.
还有点生。