vacuum flask

简明释义

真空瓶

英英释义

A vacuum flask is a container that uses a vacuum between two walls to reduce heat transfer, keeping liquids hot or cold for extended periods.

真空瓶是一种容器,利用两层壁之间的真空来减少热传递,从而保持液体在较长时间内保持热或冷。

例句

1.During our hiking trip, we filled our vacuum flask with soup to keep warm.

在我们的远足旅行中,我们把汤装进了保温瓶里,以保持温暖。

2.I bought a new vacuum flask that can keep beverages hot for up to 12 hours.

我买了一个新的保温瓶,可以让饮料保持热度长达12小时。

3.My friend uses a vacuum flask to carry her iced tea to the beach.

我的朋友用保温瓶把冰茶带到海滩。

4.I always take my vacuum flask to work so I can enjoy hot coffee throughout the day.

我总是带着我的保温瓶去上班,这样我可以整天享用热咖啡。

5.A vacuum flask is essential for picnics, as it keeps drinks cold or hot for hours.

对于野餐来说,保温瓶是必不可少的,因为它可以让饮料保持冷或热几个小时。

作文

A vacuum flask is a remarkable invention that has significantly impacted our daily lives by keeping our beverages hot or cold for extended periods. The design of a vacuum flask is quite ingenious; it consists of two walls with a vacuum in between them, which minimizes heat transfer. This means that when you pour hot coffee into a vacuum flask, the heat does not escape easily, and your drink remains warm for hours. Conversely, if you place ice water inside, the cold temperature is preserved due to the same principle. The history of the vacuum flask dates back to the late 19th century when Scottish scientist Sir James Dewar invented it. Originally designed for scientific purposes, the vacuum flask quickly found its way into everyday use. Today, it is commonly used for transporting beverages like coffee, tea, soup, and even cold drinks during picnics or outdoor activities. One of the main advantages of using a vacuum flask is its portability. It allows people to enjoy their favorite drinks anywhere without worrying about temperature changes. For instance, many people rely on a vacuum flask during their morning commute, as it keeps their coffee hot while they travel to work. This convenience is especially appreciated during long trips or outdoor adventures where access to hot water or beverages may be limited. In addition to its practical benefits, a vacuum flask also contributes to a more sustainable lifestyle. By using a reusable vacuum flask, individuals can reduce their reliance on disposable cups and bottles, which are harmful to the environment. Many brands now offer stylish and eco-friendly options, encouraging consumers to make better choices for the planet. Moreover, there is a wide variety of vacuum flasks available on the market today, catering to different needs and preferences. Some are designed specifically for hot liquids, while others are perfect for cold beverages. There are also vacuum flasks with additional features such as built-in straws, filters, and even compartments for snacks. This versatility makes them appealing to a broad audience, from students to outdoor enthusiasts. In conclusion, the vacuum flask is an essential item for anyone who values convenience and sustainability. Its ability to maintain the temperature of beverages makes it a favorite among many. Whether you are heading to work, going on a hike, or simply enjoying a day at the park, a vacuum flask is an excellent companion. As we continue to seek ways to live more sustainably, the vacuum flask stands out as a simple yet effective solution for reducing waste while enjoying our favorite drinks.

真空保温瓶是一项了不起的发明,它通过在较长时间内保持饮料的热度或冷却效果,显著影响了我们的日常生活。真空保温瓶的设计非常巧妙;它由两层壁组成,中间有一个真空,这极大地减少了热量传递。这意味着,当你把热咖啡倒入真空保温瓶时,热量不会轻易散失,你的饮料会保持温暖几个小时。相反,如果你把冰水放进去,由于同样的原理,低温也会被保持。真空保温瓶的历史可以追溯到19世纪末,当时苏格兰科学家詹姆斯·杜威爵士发明了它。最初是为科学目的而设计的,真空保温瓶很快就进入了日常使用。如今,它通常用于运输咖啡、茶、汤甚至是在野餐或户外活动中喝冷饮。使用真空保温瓶的主要优点之一是其便携性。它允许人们在任何地方享受自己喜欢的饮品,而不必担心温度变化。例如,许多人在早晨通勤时依赖真空保温瓶,因为它能在他们上班途中保持咖啡的热度。这种便利性在长途旅行或户外探险中尤为受到欢迎,因为在这些情况下,热水或饮品的获取可能有限。除了实用的好处外,真空保温瓶还促进了更可持续的生活方式。通过使用可重复使用的真空保温瓶,个人可以减少对一次性杯子和瓶子的依赖,而这些对环境是有害的。许多品牌现在提供时尚且环保的选择,鼓励消费者为地球做出更好的选择。此外,市场上现在有各种各样的真空保温瓶,满足不同的需求和偏好。有些专门设计用于热液体,而其他则非常适合冷饮。还有一些真空保温瓶具有额外的功能,如内置吸管、过滤器,甚至零食隔层。这种多样性使它们对广泛的受众具有吸引力,从学生到户外爱好者。总之,真空保温瓶是任何重视便利性和可持续性的人必备的物品。它保持饮料温度的能力使其成为许多人的最爱。无论你是去上班、徒步旅行,还是只是享受公园的一天,真空保温瓶都是一个优秀的伴侣。随着我们继续寻求更可持续的生活方式,真空保温瓶作为一种简单而有效的解决方案,突显了减少浪费的同时享受我们喜爱的饮品。

相关单词

vacuum

vacuum详解:怎么读、什么意思、用法

flask

flask详解:怎么读、什么意思、用法