Pilidae
球螺科
🗣️ 情景例句
This is she.
我就是。
All are not friends that speak us fair.
向我们说好话的并不都是好朋友。
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。