daylight saving time

简明释义

经济时

英英释义

例句

1.Some studies suggest that daylight saving time 夏令时 can lead to increased energy savings.

一些研究表明，夏令时可以带来更多的节能效果。

2.In the spring, we 'spring forward' into daylight saving time 夏令时 by moving our clocks ahead one hour.

在春天，我们通过将时钟拨快一小时来进入夏令时。

3.When daylight saving time 夏令时 ends, we 'fall back' and set our clocks back one hour.

当夏令时结束时，我们将时钟拨回一小时。

4.Many people forget to set their clocks forward when daylight saving time 夏令时 begins.

许多人在夏令时开始时忘记调快他们的时钟。

5.Not all countries observe daylight saving time 夏令时, which can cause confusion for travelers.

并不是所有国家都遵循夏令时，这可能会给旅行者带来困惑。

作文

Daylight saving time (DST) is a practice that many countries adopt to make better use of daylight during the longer days of summer. The main idea behind daylight saving time is to shift an hour of daylight from the morning to the evening, thereby allowing people to enjoy more sunlight after work or school. This concept has been around for over a century and has sparked various debates regarding its effectiveness and necessity.The origins of daylight saving time can be traced back to Benjamin Franklin, who suggested in 1784 that people could save on candles by waking up earlier to take advantage of natural light. However, it wasn't until World War I that the practice was widely implemented as a way to conserve energy. Many countries adopted DST during the war, and although it was discontinued afterward, it saw a resurgence during World War II for similar reasons.Today, daylight saving time typically begins in the spring and ends in the fall. In the United States, for example, clocks are set forward one hour on the second Sunday in March and set back one hour on the first Sunday in November. This change aims to provide an extra hour of evening light, which can encourage outdoor activities and potentially reduce energy consumption.Proponents of daylight saving time argue that it leads to several benefits. For instance, having more daylight in the evening can boost retail sales, promote tourism, and enhance overall public safety by reducing accidents. Additionally, extended daylight hours encourage people to engage in physical activities, contributing to healthier lifestyles.However, not everyone agrees with the practice. Critics point out that the energy savings are minimal and question whether the disruption of sleep patterns caused by changing the clocks twice a year is worth the supposed benefits. Studies have shown that the transition into and out of daylight saving time can lead to an increase in heart attacks, workplace accidents, and even car crashes due to the abrupt change in sleep schedules.Furthermore, some regions have opted out of daylight saving time altogether. For example, Arizona and Hawaii in the United States do not observe this time change. These areas argue that the benefits do not outweigh the inconveniences caused by the clock changes. As a result, there is a growing movement advocating for the elimination of daylight saving time in favor of a more consistent timekeeping system.In recent years, discussions about daylight saving time have gained momentum, especially as society becomes increasingly aware of health and wellness issues. Some states have proposed legislation to remain on standard time year-round, while others are considering permanent DST. This ongoing debate reflects a broader conversation about how we manage our time and the importance of aligning our schedules with natural daylight.In conclusion, daylight saving time remains a contentious topic with both supporters and detractors. While it offers potential benefits such as increased evening light and energy savings, the drawbacks related to health and safety cannot be ignored. As society continues to evolve, it will be interesting to see how the practice of daylight saving time adapts to meet the needs of modern life. Whether we continue to spring forward and fall back or settle into a more stable timekeeping method, the conversation surrounding daylight saving time is sure to persist.

夏令时（DST）是一种许多国家采用的做法，旨在更好地利用夏季较长的日照时间。夏令时的主要思想是将一个小时的日光从早晨转移到晚上，从而让人们在工作或上学后享受更多的阳光。这个概念已有一个多世纪的历史，并引发了关于其有效性和必要性的各种辩论。夏令时的起源可以追溯到本杰明·富兰克林，他在1784年建议人们可以通过早起利用自然光来节省蜡烛。然而，直到第一次世界大战，这一做法才被广泛实施，以节约能源为目的。许多国家在战争期间采用了夏令时，尽管战后停止使用，但在第二次世界大战期间又重新兴起，原因类似。如今，夏令时通常在春季开始，秋季结束。例如，在美国，时钟在三月的第二个星期日提前一小时，在十一月的第一个星期日退回一小时。这一变化旨在提供额外的晚间光照，鼓励人们参与户外活动，并可能减少能源消耗。支持夏令时的人认为它带来了几个好处。例如，晚上的日光增多可能会促进零售销售、推动旅游业，并通过减少事故提高公共安全。此外，延长的日光时间鼓励人们参与体育活动，有助于更健康的生活方式。然而，并非每个人都同意这一做法。批评者指出，节能效果微乎其微，并质疑每年两次改变时钟所造成的睡眠模式干扰是否值得。研究表明，进入和退出夏令时的过渡可能导致心脏病发作、工作场所事故甚至因睡眠时间突变而导致的车祸增加。此外，一些地区完全选择不实行夏令时。例如，美国的亚利桑那州和夏威夷就不遵循这一时间变化。这些地区认为，收益并不超过因时钟变化而带来的不便。因此，越来越多的人提倡取消夏令时，转而采用更稳定的时间管理系统。近年来，关于夏令时的讨论逐渐升温，尤其是在社会对健康和福祉问题的关注日益增强的背景下。一些州提出立法，全年保持标准时间，而另一些州则考虑永久性夏令时。这场持续的辩论反映了我们如何管理时间以及将日程与自然日光对齐的重要性。总之，夏令时仍然是一个有争议的话题，既有支持者也有反对者。虽然它提供了如晚间光照增加和节能等潜在好处，但与健康和安全相关的缺点也不容忽视。随着社会的不断发展，夏令时的做法将如何适应现代生活的需求，将是一个有趣的问题。无论我们是继续前进和退回，还是选择更稳定的时间管理方法，关于夏令时的讨论肯定会持续下去。