large calorie

简明释义

千卡

英英释义

A large calorie, also known as a kilocalorie, is a unit of energy equal to 1,000 small calories. It is commonly used to measure the energy content of foods and the energy expenditure of physical activities.

大卡(也称为千卡)是一个能量单位,等于1,000个小卡。它通常用于测量食品的能量含量和身体活动的能量消耗。

例句

1.To lose weight, you need to consume fewer large calories than you burn.

要减肥,你需要摄入的大卡少于消耗的。

2.A slice of cake can contain over 500 large calories.

一片蛋糕可能含有超过500大卡

3.A typical adult requires about 2,000 large calories per day.

一个典型成年人每天需要大约2000大卡

4.Eating a balanced diet helps manage your large calorie consumption.

均衡饮食有助于管理你的大卡摄入。

5.Athletes often track their large calorie intake for optimal performance.

运动员通常会跟踪他们的大卡摄入量以达到最佳表现。

作文

In the world of nutrition and diet, understanding the concept of energy is crucial. One of the key units used to measure energy in food is the large calorie, which is also known as a kilocalorie (kcal). This unit represents the amount of energy needed to raise the temperature of one kilogram of water by one degree Celsius. The large calorie is commonly used on food labels and is essential for anyone who is trying to manage their diet or understand their energy intake. When we consume food, our bodies break it down into various components, including carbohydrates, proteins, and fats. Each of these macronutrients provides a different amount of energy measured in large calories. For instance, carbohydrates and proteins provide approximately 4 large calories per gram, while fats provide about 9 large calories per gram. This difference highlights why dietary fat is often seen as more energy-dense compared to carbohydrates and proteins.Understanding large calories is not just about knowing how much energy we are consuming; it also involves understanding how our bodies use this energy. The energy we obtain from food fuels all our bodily functions, from basic metabolic processes like breathing and circulation to physical activities such as walking, exercising, and even thinking. Therefore, knowing how many large calories we need each day can help us maintain a healthy weight and support our overall well-being.For most adults, the average daily caloric requirement ranges from 1,800 to 2,400 large calories, depending on factors such as age, sex, and activity level. Athletes or individuals with higher levels of physical activity may require even more large calories to sustain their energy levels. On the other hand, those who lead a more sedentary lifestyle may need fewer large calories. This is why personalized nutrition plans are becoming increasingly popular, as they take into account individual energy needs and help people make informed food choices.Moreover, understanding the role of large calories can empower individuals to make healthier dietary choices. For example, if someone is trying to lose weight, they may aim to consume fewer large calories than they burn. This can be achieved by choosing foods that are lower in large calories but high in nutrients, such as fruits, vegetables, and whole grains. These foods not only provide essential vitamins and minerals but also help keep us full without excessive energy intake.In conclusion, the concept of the large calorie is fundamental in the study of nutrition and diet management. It helps us understand how much energy we are consuming and how our bodies utilize that energy. By being mindful of our large calorie intake, we can make better food choices that align with our health goals, whether it's weight loss, maintenance, or simply leading a healthier lifestyle. As we continue to learn about nutrition, the importance of the large calorie will remain a key aspect of our understanding of food and health.

在营养和饮食的世界中,理解能量的概念至关重要。用于测量食物能量的一个关键单位是大卡,也称为千卡(kcal)。这个单位表示将一公斤水的温度提高一摄氏度所需的能量。大卡通常用于食品标签上,对于任何试图管理饮食或理解能量摄入的人来说都是必不可少的。当我们摄入食物时,我们的身体将其分解成各种成分,包括碳水化合物、蛋白质和脂肪。这些宏量营养素每克提供不同数量的能量,以大卡为单位。例如,碳水化合物和蛋白质每克大约提供4大卡,而脂肪则提供约9大卡。这种差异突显了为什么饮食脂肪常常被视为比碳水化合物和蛋白质更为能量密集。理解大卡不仅仅是了解我们摄入了多少能量;它还涉及理解我们的身体如何使用这些能量。我们从食物中获得的能量为我们所有的身体功能提供动力,从基本的新陈代谢过程,如呼吸和循环,到身体活动,如走路、锻炼甚至思考。因此,知道我们每天需要多少大卡可以帮助我们保持健康体重并支持整体健康。对于大多数成年人来说,平均每日热量需求范围从1800到2400大卡不等,这取决于年龄、性别和活动水平。运动员或身体活动水平较高的人可能需要更多的大卡来维持他们的能量水平。另一方面,那些生活方式相对久坐的人可能需要更少的大卡。这就是为什么个性化营养计划越来越受欢迎,因为它们考虑到个人的能量需求,并帮助人们做出明智的饮食选择。此外,理解大卡的作用可以使个人能够做出更健康的饮食选择。例如,如果有人试图减肥,他们可能会设定目标,摄入的大卡少于消耗的大卡。这可以通过选择热量较低但营养丰富的食物来实现,例如水果、蔬菜和全谷物。这些食物不仅提供必需的维生素和矿物质,还帮助我们在不摄入过多能量的情况下保持饱腹感。总之,大卡的概念在营养和饮食管理的研究中是基础。它帮助我们理解我们摄入了多少能量以及我们的身体如何利用这些能量。通过关注我们的大卡摄入量,我们可以做出更好的食物选择,使其与我们的健康目标相一致,无论是减肥、维持体重还是简单地过上更健康的生活。随着我们继续学习营养,大卡的重要性将始终是我们对食物和健康理解的关键方面。

相关单词

calorie

calorie详解:怎么读、什么意思、用法