flashlight

简明释义

英[ˈflæʃlaɪt]美[ˈflæʃlaɪt]

n. 手电筒；闪光灯

复 数 f l a s h l i g h t s

英英释义

单词用法

同义词

反义词

例句

1.Pete's flashlight picked out the dim figures of Bob and Chang.

皮特的手电筒照射出鲍勃和常的蒙胧身影。

2.Flashlight or headlamp, just in case.

手电筒或头灯，以防万一。

3.Perhaps a flashlight, too.

也许还得有个手电筒。

4.Wicky peeked at John's flashlight.

威奇向约翰的手电筒瞥了一眼。

5.To save energy I kept the flashlight off.

为了省电我关了手电筒。

6.Now I need a flashlight.

我需要一个手电筒。

7.Shine your flashlight over here.

把手电筒往这儿照一照。

8.She pointed her flashlight at the dark corner of the room.

她把手电筒指向房间的黑暗角落。

9.It's important to have a working flashlight during a hike.

在徒步旅行中，拥有一个正常工作的手电筒是很重要的。

10.The camping trip was fun, but I forgot to bring my flashlight.

这次露营旅行很有趣，但我忘了带我的手电筒。

11.During the power outage, we used a flashlight to find candles.

停电期间，我们用手电筒找蜡烛。

12.I always keep a flashlight in my car for emergencies.

我总是在车里放一个手电筒以备不时之需。

作文

In the world of exploration and adventure, having the right tools can make all the difference. One such essential tool is the flashlight, which is a portable handheld electric light. Whether you are camping in the woods, navigating through a dark basement, or experiencing a power outage at home, a reliable flashlight can provide much-needed illumination. Its significance extends beyond mere convenience; it can be a lifesaver in emergency situations. The history of the flashlight dates back to the late 19th century when the first battery-powered models were introduced. Over the years, technology has advanced significantly, leading to the development of various types of flashlights. Today, we have LED flashlights, which are more energy-efficient and longer-lasting than their incandescent counterparts. This innovation has made flashlights not only brighter but also more compact and lightweight, making them easier to carry around.When choosing a flashlight, there are several factors to consider. Brightness is measured in lumens, and a higher lumen count means a brighter light. For instance, a flashlight with 1000 lumens can illuminate a large area, making it perfect for outdoor activities. Additionally, the beam distance is another important specification; some flashlights can project light up to several hundred meters, which is useful for search and rescue operations.Durability is also a key consideration. Many modern flashlights are designed to be water-resistant and impact-resistant, making them suitable for rugged environments. This durability is particularly important for those who use flashlights in extreme conditions, such as firefighters or spelunkers.The versatility of a flashlight cannot be overstated. Beyond its primary function of providing light, it can also serve as a signaling device in emergencies. By turning the flashlight on and off in a specific pattern, one can signal for help. Some flashlights even come equipped with additional features such as strobe lights or SOS modes, further enhancing their utility.In everyday life, a flashlight is a handy tool that should be present in every household. It can be used during power outages, allowing families to navigate safely through their homes. Having a flashlight readily available can ease anxiety during unexpected blackouts, providing a sense of security. Moreover, keeping a flashlight in your car is a smart precaution for any road trip, as it can assist in case of breakdowns or emergencies in low-light situations.In conclusion, the humble flashlight is much more than just a source of light; it is a vital tool that enhances safety, provides comfort, and aids in exploration. Its evolution from early designs to modern-day innovations highlights its importance in our daily lives. Whether you are an adventurer, a homeowner, or someone who simply enjoys the peace of mind that comes with being prepared, a reliable flashlight is an indispensable companion. Therefore, investing in a quality flashlight is a decision that will undoubtedly pay off in times of need.

在探索和冒险的世界中，拥有合适的工具可以带来巨大的不同。其中一个必不可少的工具就是手电筒，它是一种便携式手持电灯。无论你是在森林露营、在黑暗的地下室中摸索，还是在家里经历停电，一个可靠的手电筒都能提供急需的照明。它的重要性不仅仅体现在便利上；在紧急情况下，它可能是救命的工具。手电筒的历史可以追溯到19世纪末，当时首次推出了电池供电的型号。随着时间的推移，技术显著进步，导致各种类型的手电筒的发展。如今，我们有LED手电筒，它们比白炽灯更节能且使用寿命更长。这一创新使得手电筒不仅更亮，而且更加紧凑和轻便，便于携带。在选择手电筒时，有几个因素需要考虑。亮度以流明为单位测量，流明数越高，光线越亮。例如，1000流明的手电筒可以照亮大面积区域，非常适合户外活动。此外，光束距离也是另一个重要规格；一些手电筒可以将光线投射到几百米远，这在搜救行动中非常有用。耐用性也是一个关键考虑因素。许多现代手电筒被设计为防水和抗冲击，使其适合在恶劣环境中使用。这种耐用性对于那些在极端条件下使用手电筒的人来说尤为重要，比如消防员或洞穴探险者。手电筒的多功能性不可低估。除了提供光源的主要功能外，它还可以作为紧急情况下的信号设备。通过以特定的模式打开和关闭手电筒，可以发出求救信号。一些手电筒甚至配备了额外的功能，如频闪灯或SOS模式，进一步增强了它们的实用性。在日常生活中，手电筒是每个家庭都应该拥有的便捷工具。它可以在停电时使用，让家庭安全地穿行于家中。随时准备好一个手电筒可以缓解在意外停电期间的焦虑，提供安全感。此外，在车里放一个手电筒是任何公路旅行的明智预防措施，因为它可以在低光环境中帮助解决故障或紧急情况。总之，朴素的手电筒远不止是光源；它是一个重要的工具，增强了安全性，提供了舒适感，并帮助探索。从早期设计到现代创新的演变突显了它在我们日常生活中的重要性。无论你是冒险者、房主，还是只是享受在需要时做好准备所带来的安心感的人，可靠的手电筒都是不可或缺的伴侣。因此，投资于一款优质的手电筒无疑是一个在需要时会得到回报的决定。