1、Popular cold-weather beverages also can be packed with calories, fat and sugar.
冬季里流行的飲品也富含卡路里，脂肪和糖分。

2、crowded so tightly that you can't move; be packed with people
擠得水泄不通

3、There are no extra calories to spare, so every bite of food needs to be packed with nutrition.
沒有多余的熱量可浪費(fèi)，所以每一口食物都需要充滿營養(yǎng)。

be packed with翻譯