吃冰西瓜怎么说英语

To say "eat watermelon" in English, you can say "eat watermelon" or "have watermelon." For example, you could say:
"I'm going to eat some watermelon now."
"Do you want to have some watermelon with me?"
If you want to specifically say "eat ice watermelon," you can say "eat an ice watermelon" or "have an ice watermelon." For example:
"I'm going to eat an ice watermelon to cool off on this hot day."
"Do you want to have an ice watermelon with me? It'll be a refreshing treat."
I hope this helps! Let me know if you have any other questions.