Valley attenuation
[电] 谷值衰减
🧩 词语组成解析
valley
['væli]
n. 山谷，溪谷，峡谷，谷地，深谷;流域;[建筑]屋顶排水沟，屋面斜沟;
attenuation
[əˌtenjʊ'eɪʃn]
n. 变薄;弄细;稀薄化;减少;
🗣️ 情景例句
I have worked hard at my major subject.
我对主修课特别用功。
To paint the roof
油漆屋顶
It doesn't make any sense to get up so early.
那么早起来没有任何意义。