Arthrectasis
关节腔扩张
🗣️ 情景例句
Oh, that's too bad, Robbie.
啊 ，那太遗憾了， Robbie。
He always takes pride in his work.He's very efficient.
他总是以他的工作而自豪，他是非常能干的。
but each year, the dogs are still sent out into the snow whenever a traveller is in difficulty.
但每年还要派狗到雪山地里去帮助那些遇到困难的旅游者，