A fresh egg will sink and an old egg will float.

新鲜鸡蛋会下沉，旧鸡蛋会浮起来。

《柯林斯英汉双解大词典》

An egg white that appears cloudy is a sign of a fresh egg and egg whites that are thick are also very fresh.

鸡蛋白是出现云状的迹象是新鲜蛋的标志同时蛋白很厚的蛋也很新鲜。

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In many parts of Europe, farmers would take a fresh egg into the fields in the hopes that it would bring a good healthy crop.

在欧洲的许多地方，农民习惯带一个新鲜的鸡蛋到田地里，希望这可以带来丰收。

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Herbivores can choose from such delights as wood roasted ratatouille topped with a farm fresh egg.

BBC: Business trip: Atlanta

They range from food treats to little presents but probably the most bizarre is a daily pack of fresh egg noodles.

BBC: Clive Stuart-Smith column

Nepove had the bartender mix me a tart fizz drink comprising Effen, fresh strawberries, lime, egg whites, orange bitters, and cinnamon, poured over ice.

FORBES: A Premium Vodka Stakes its Effen Claim