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
Keep your fingers crossed.
希望你一切尽如人意。
Why are you so mean? I've never done anything to you.
凶什么凶？ 我又没得罪你。
Moreover, unlike some of the other insect eaters, spiders never do the harm to us or our belongings.
此外，蜘蛛不同于其他食虫动物，它们丝毫不危害我们和我们的财物。