Acoustical transmittivity
[电] 声能传输率
🧩 词语组成解析
a. 听觉的, 声学的
(非散射介质单位厚度的)透射率, 透射系数
🗣️ 情景例句
Second, we have to make an effort to encourage American companies to do business in our country.
第二，我们必须鼓励美国公司在我国开展业务。
Keep thing seven years and you will find a use for it.
备而不用。
We'll send a man right out to look at it.
我们马上会派个人去查看。