请用简短的英文描述一下一种食物.最好再用中文解释一下,谢谢.

Watermelon appearance of the green, with black lines. Internal red, seed. Eat up I felt good eating.
Summer heat can quench your thirst. Like most people is the one fruit

西瓜外表是绿色的,有黑色的线条.内部是红色的,有籽.吃起来很甜很好吃.
夏天可以解渴消暑.是人们最喜欢的水果之一