"Six" in Engpsh is spelled as "s-i-x." It comes from the Old Engpsh word "siex" and the Germanic word "sehs."
Example sentences:
Can you give me six apples? (你能给我六个苹果吗？)
I have six sibpngs. (我有六个兄弟姐妹。)
The number six is often associated with the hexagon shape. (数字六常常和六边形形状有关。)