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
The old library building on Chestnut Street,
Chestnut街老图书馆，
I was so tired I couldn't keep up with her.
我太累了，跟不上她的步伐。
What time is it?
几点了？