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
Where are the shopping carts?
购物车在哪儿？
A word is enough to the wise.
对明智者一言已足。
He speaks little Chinese, so it's difficult to communicate with him.
他只能讲一点汉语，所以和他交流很难。