Plurel
集合体
🗣️ 情景例句
So I know.
所以我了解这些。
He that converses not knows nothing.
不和人交谈的人一无所知。
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。