Dfj
abbr. dual function jammer 双功能干扰机
🗣️ 情景例句
I have to return this book to the library.
我得把书还回图书馆了。
I would like to make a long distance call to Taibei.
我想打个长途电话到台北去。
The key to a solution of that problem lay in an everyday observation.
可以从我们的日常生活观察中找到这个问题的答案。