Duplexercoupler
复式耦合器
🗣️ 情景例句
I'm most grateful to you for taking so much trouble to explain the best way of getting there.
你不厌其烦地给我解释去那里的最佳途径，我对些深表感激。
They are looking forward to the summer vacation.
他们正盼望着暑假的来临。
Mmm, I see. It feels a bit tense. what happened exactly?
哦，我知道了。摸起来有点硬。到底发生了什么事？