dry cell

简明释义

干电池

英英释义

例句

1.The flashlight requires two AA dry cells 干电池 to operate efficiently.

手电筒需要两个AA 干电池 干电池才能有效工作。

2.When camping, it's essential to pack extra dry cells 干电池 for your lantern.

露营时，携带额外的干电池 干电池以备照明是必不可少的。

3.The remote control is powered by two dry cells 干电池, making it easy to replace when needed.

遥控器由两个干电池 干电池供电，便于在需要时更换。

4.Many toys use dry cells 干电池 as their primary power source.

许多玩具使用干电池 干电池作为其主要电源。

5.You can find dry cells 干电池 in most convenience stores.

大多数便利店都可以找到干电池 干电池。

作文

In our modern world, batteries play a crucial role in powering our everyday devices. Among the various types of batteries available, the dry cell is one of the most commonly used. A dry cell (干电池) is a type of electrochemical cell that is designed to be portable and easy to use. Unlike traditional wet cells, which contain liquid electrolytes, a dry cell uses a paste electrolyte, making it more convenient and safer for everyday applications.The invention of the dry cell dates back to the late 19th century, when Carl Gassner developed the first version in 1887. This innovation revolutionized the way we use batteries, as it allowed for a more compact and lightweight design. Today, dry cells are found in a wide range of devices, from remote controls and flashlights to toys and smoke detectors.One of the key advantages of a dry cell is its ability to function effectively in various orientations. Unlike wet cells, which must remain upright to prevent spillage of the liquid electrolyte, dry cells can be used in any position. This versatility is particularly important for portable devices that may be used at different angles or in challenging environments.Furthermore, dry cells have a relatively long shelf life, which makes them ideal for emergency supplies. Many households keep a stock of dry cells on hand for situations where power is needed but not readily available. For instance, during a power outage, having dry cells can be invaluable for powering essential devices such as flashlights or battery-operated radios.However, it is important to note that dry cells do have limitations. They typically provide a lower voltage compared to larger batteries, and their capacity may diminish over time, especially if they are not used regularly. Additionally, once a dry cell is depleted, it cannot be recharged like some other types of batteries. This means that users must be prepared to replace them when they no longer hold a charge.In conclusion, the dry cell (干电池) has become an indispensable part of our daily lives due to its portability, convenience, and versatility. As technology continues to advance, it is likely that we will see further innovations in battery design, potentially leading to even more efficient and sustainable energy solutions. Understanding the role and function of a dry cell helps us appreciate the simple yet powerful technology that keeps our devices running smoothly and reliably.