macronutrient

简明释义

英[ˌmækrəʊˈnjuːtrɪənt]美[ˌmækroʊˈnjutriənt]

n. [生化] 大量营养素；[生化] 常量营养元素；大量养料

英英释义

单词用法

同义词

反义词

例句

1.The serving sizes of the foods in each list (starches, fruits, milks, vegetables, meats and fats) reflect the mean macronutrient and energy values for each of the groups in this database.

每个列表中的食物的列项（如淀粉类、水果类、乳制品、蔬菜类、肉类和脂肪）反映了数据库中的每种组群食品的主要营养素和能量值。

2.The serving sizes of the foods in each list (starches, fruits, milks, vegetables, meats and fats) reflect the mean macronutrient and energy values for each of the groups in this database.

每个列表中的食物的列项（如淀粉类、水果类、乳制品、蔬菜类、肉类和脂肪）反映了数据库中的每种组群食品的主要营养素和能量值。

3.The first type of nutrient is called a “macronutrient”, which refers to any nutrient that our body needs in large quantities in order to stay alive.

第一种类型“常量营养素”是指为维持生命，我们要大量消耗的营养素。

4.Calcium is an essential macronutrient for plants and functions in signal transduction.

钙是植物必需的大量元素，在信号传导中起作用。

5.Carbohydrates are a primary source of energy and are classified as a type of macronutrient 大营养素.

碳水化合物是主要的能量来源，被归类为一种大营养素 macronutrient。

6.When planning your meals, it's important to balance each macronutrient 大营养素 for optimal health.

在规划饮食时，平衡每种大营养素 macronutrient 对于最佳健康至关重要。

7.Proteins are essential macronutrients 大营养素 that help build and repair tissues.

蛋白质是必需的大营养素 macronutrient，有助于构建和修复组织。

8.Fats are often misunderstood but are a vital macronutrient 大营养素 for hormone production.

脂肪常常被误解，但它是激素生产的重要大营养素 macronutrient。

9.Athletes often track their intake of each macronutrient 大营养素 to optimize performance.

运动员通常会跟踪他们对每种大营养素 macronutrient 的摄入，以优化表现。

作文

In the realm of nutrition, understanding the concept of macronutrient (宏量营养素) is crucial for maintaining a balanced diet and promoting overall health. A macronutrient refers to the nutrients that provide the bulk energy and are required in large amounts by the body. There are three primary types of macronutrients: carbohydrates, proteins, and fats. Each of these plays a unique role in our bodily functions and contributes to our overall well-being. Carbohydrates are often viewed as the body's main source of energy. They can be simple sugars, like glucose, or complex carbohydrates, such as starches and fibers. When we consume carbohydrates, our bodies break them down into glucose, which is then used for energy. This makes macronutrients essential for fueling our daily activities, from basic bodily functions to intense physical exercise. However, not all carbohydrates are created equal. Whole grains, fruits, and vegetables are healthier sources of carbohydrates compared to refined sugars and processed foods. Next, we have proteins, which are vital for growth, repair, and maintenance of body tissues. Proteins are made up of amino acids, some of which are essential and must be obtained through our diet. Foods rich in protein include meat, fish, eggs, dairy products, legumes, and nuts. Consuming adequate protein is particularly important for athletes and those involved in strength training, as it helps in muscle recovery and building. Fats, often misunderstood, are another essential macronutrient. They are a concentrated source of energy and play critical roles in hormone production, nutrient absorption, and cell structure. Fats can be categorized into saturated, unsaturated, and trans fats. While it is important to limit saturated and trans fats, healthy fats found in avocados, olive oil, and fatty fish are beneficial for heart health and overall wellness. Balancing these three macronutrients is key to achieving optimal health. The right proportions can vary based on individual needs, age, activity level, and health goals. For instance, athletes may require a higher proportion of carbohydrates to fuel their performance, while someone looking to lose weight might focus on higher protein intake to promote satiety. Moreover, understanding how macronutrients interact with each other can enhance nutritional strategies. For example, pairing carbohydrates with protein can help stabilize blood sugar levels and prolong energy release. Similarly, incorporating healthy fats with meals can aid in the absorption of fat-soluble vitamins (A, D, E, and K). In conclusion, macronutrients (宏量营养素) are fundamental components of our diet that significantly impact our health and well-being. By educating ourselves about the different types of macronutrients and their functions, we can make informed dietary choices that support our lifestyle and health objectives. Whether you are an athlete, a busy professional, or someone simply seeking to improve your nutrition, understanding macronutrients is a step towards better health. It empowers us to create balanced meals that nourish our bodies and sustain our energy levels throughout the day.

在营养学领域，理解macronutrient（宏量营养素）的概念对于维持均衡饮食和促进整体健康至关重要。macronutrient指的是提供大量能量并且身体需要大量摄入的营养素。主要有三种类型的macronutrients：碳水化合物、蛋白质和脂肪。每一种都在我们身体功能中扮演独特的角色，并对我们的整体健康产生影响。 碳水化合物常被视为身体的主要能量来源。它们可以是简单的糖，如葡萄糖，或复杂的碳水化合物，如淀粉和纤维。当我们摄入碳水化合物时，身体将其分解为葡萄糖，然后用于能量。这使得macronutrients对于提供我们日常活动的燃料至关重要，从基本的身体功能到激烈的体育锻炼。然而，并非所有碳水化合物都是一样的。全谷物、水果和蔬菜是比精制糖和加工食品更健康的碳水化合物来源。 接下来是蛋白质，它们对身体组织的生长、修复和维护至关重要。蛋白质由氨基酸组成，其中一些是必需的，必须通过饮食获取。富含蛋白质的食物包括肉类、鱼类、鸡蛋、乳制品、豆类和坚果。摄入足够的蛋白质对于运动员和参与力量训练的人尤其重要，因为它有助于肌肉恢复和生长。 脂肪，常常被误解，是另一种必需的macronutrient。脂肪是浓缩的能量来源，在激素生产、营养吸收和细胞结构中发挥关键作用。脂肪可以分为饱和脂肪、不饱和脂肪和反式脂肪。虽然重要的是限制饱和脂肪和反式脂肪，但鳄梨、橄榄油和脂肪鱼中发现的健康脂肪对心脏健康和整体健康是有益的。 平衡这三种macronutrients是实现最佳健康的关键。正确的比例可能会根据个人需求、年龄、活动水平和健康目标而有所不同。例如，运动员可能需要更高比例的碳水化合物来为他们的表现提供燃料，而那些希望减肥的人可能会专注于更高的蛋白质摄入，以促进饱腹感。 此外，了解macronutrients之间的相互作用可以增强营养策略。例如，将碳水化合物与蛋白质搭配可以帮助稳定血糖水平并延长能量释放。同样，在餐中加入健康脂肪可以帮助吸收脂溶性维生素（A、D、E和K）。 总之，macronutrients（宏量营养素）是我们饮食中的基本组成部分，对我们的健康和福祉产生重大影响。通过教育自己有关不同类型macronutrients及其功能，我们可以做出明智的饮食选择，以支持我们的生活方式和健康目标。无论你是运动员、繁忙的专业人士，还是只是想改善营养的人，理解macronutrients都是迈向更好健康的一步。它使我们能够创造均衡的膳食，滋养我们的身体，并在一天中维持我们的能量水平。