"Let's have some eggs" is a common way to express "吃点鸡蛋吧" in Engpsh.
Examples:
"Let's have some eggs for breakfast."
"让我们吃点鸡蛋来当早餐。"
"Do you want to join us for a quick snack of eggs?"
"你想和我们一起快速吃点鸡蛋吗？"
The expression "Let's have some (food item)" is a casual way to suggest or invite someone to have a specific food item with you. It's commonly used in conversational Engpsh.