by melon：
n. 瓜甜瓜大肚子圆鼓鼓像瓜似的东西
These vines are covered with melons.
这些藤上长满了甜瓜。
Apples and melons are my favourite fruits .苹果和甜瓜是我喜爱的水果。
Melons taste better if they are chilled .冰镇的西瓜味道要好得多。
Peasants sold fruit and melons on the road .农民们在路上卖水果和西瓜。
The cook hollowed out the melons .厨师把瓜掏空。
Europeans take melons for a preventive against seasickness .欧洲人吃瓜作为预防晕船的方法。
watermelon：
n. 西瓜
This kind of watermelon comes from China.
这种西瓜产自中国。