Acoustical attenuation constant
[电] 声能衰减常数
🧩 词语组成解析
a. 听觉的, 声学的
attenuation
[əˌtenjʊ'eɪʃn]
n. 变薄;弄细;稀薄化;减少;
🗣️ 情景例句
Hello, this is ... What can I do for you?
喂， 我是……我能为你做点什么吗？
It seems he's handsome.
看起来他好像很英俊。
Cave exploration, or pot-holing, as it has come to be known, is a relatively new sport.
洞穴勘查——或洞穴勘探——是一项比较新的体育活动。