🗣️ 情景例句
What do you mean?
你是什么意思呀？
How often did I tell you to speak clearly?
我告诉你多少次要讲清楚?
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。