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
We had such a good time at the aquarium.
我们在水族馆玩得真开心。
I feel terrible, but I've just broken your ashtray.
真是很抱歉，我刚才打破了你的烟灰缸。
Two men took the parcel off the plane and carried it into the Customs House.
有两个人把包裹拿下飞机，进了海关。