Electrometer amplifier
[电] 静电计放大器
🧩 词语组成解析
n. 静电计\\n[化] 静电计
🗣️ 情景例句
He'll do anything to avoid getting down to math lessons,
他老是设法想逃避数学，
A stumble may prevent a fall.
小惩大诫。
When several elephants are being trained at one time,
几只象同时训练时，