Diplexing
雙工發送設備, 雙工接受設備
??? 情景例句
Governments wage a constant war against counterfeiting.
政府掀起持久的打假活動。
Bon voyage!
祝您一路平安 注：是法語
I'm afraid that Jim will miss a lot of his lessons.
恐怕這么一來，吉姆要缺很多課了。