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
Give my best to your parents.
替我向你父母问好。
Oh, it's a shame that you have to leave.
哦，真遗憾，你非走不可呀。
We have a problem with your order.
你订的货有点问题。