Preperforatum
[医] 前穿质
🗣️ 情景例句
I don't think so.
我不这么想。
I'm here on business.
我来这里出差。
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。