He was savouring the chocolate, enjoying its sweetness with every bite.

savouring 是动词 savour 的现在分词形式。savour 的意思是"细细品味、享受"，特别指慢慢品尝食物或饮料的味道。这个词带有享受和欣赏的意味，不仅仅是简单的"吃"或"尝"。