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
Please come and see me in my office on the 20th floor.
请到二十楼我的办公室来见我。
It's a pain in the neck.
这真是苦不堪言。
As a reasonable guess, they might, on an average, be 100 light years away.
据合理推算，外星人离我们平均距离也有100光年之远