Static permittivity
[化] 静电介电常数
🧩 词语组成解析
n. 介电常数, 电容率\\n[化] 电容率; 介电常数
🗣️ 情景例句
Happy birthday.
生日快乐。
Can anybody scratch my back for me?
有人来替我搔背吗？
'You certainly did give me a surprise!' said the vicar.
“你确实使我大吃了一惊！”牧师说，