Pocketscope
袖珍示波器; 轻便示波器
🗣️ 情景例句
I have to return this book to the library.
我得把书还回图书馆了。
He has pamphlet.
他有一本小册子。
I'm here! said Jim. And so is Polly!
“我在这儿！”吉姆说，“波利也在这儿！”