Duplexer
[電] 雙工器
??? 情景例句
Then it's settled.
就這樣定了。
She is timid and completely at a loss what to do.
她羞臊得不知所措。
but each year, the dogs are still sent out into the snow whenever a traveller is in difficulty.
但每年還要派狗到雪山地里去幫助那些遇到困難的旅游者，