Tka
[医][=total knee arthroplasty]全膝关节成形术
🗣️ 情景例句
Why do you plan to leave the present job?
你为什么打算离开现在的工作？
Where were you on Tuesday?
星期二你在哪里？
In 1929, three years after his flight over the North Pole, the American explorer, R.E.Byrd, successfully flew over the South Pole for the first time.
美国探险家 R。伯德在飞越北极3年之后，于1929年第一次飞越了南极。