dry ice

简明释义

固体二氧化碳

英英释义

例句

1.The science experiment required dry ice to create fog.

这个科学实验需要干冰来制造雾气。

2.Be careful when handling dry ice, as it can cause frostbite.

处理干冰时要小心，因为它可能导致冻伤。

3.We used dry ice to keep the ice cream frozen during the summer picnic.

我们用干冰在夏季野餐中保持冰淇淋的冷冻。

4.The magician used dry ice to create an impressive smoke effect.

魔术师用干冰制造了令人印象深刻的烟雾效果。

5.When shipping perishable goods, it’s common to use dry ice for preservation.

在运输易腐烂的商品时，通常会使用干冰进行保鲜。

作文

Dry ice, or solid carbon dioxide, is a fascinating substance that has numerous applications in various fields. Unlike regular ice, which is made from water, dry ice (干冰) sublimates, meaning it transitions directly from a solid to a gas without becoming liquid. This unique property makes dry ice (干冰) incredibly useful for a variety of purposes, particularly in the food industry, scientific research, and even in entertainment. One of the most common uses of dry ice (干冰) is in the transportation of perishable goods. For example, when shipping frozen foods or medical supplies that require refrigeration, dry ice (干冰) is often used as a cooling agent. Because it maintains a temperature of -78.5 degrees Celsius, it can keep items frozen for extended periods. This is especially crucial for vaccines and other pharmaceuticals that need to be stored at low temperatures to remain effective. The ability of dry ice (干冰) to sublimate also means that it doesn’t leave any liquid residue, which can be a significant advantage over traditional ice.In scientific research, dry ice (干冰) is frequently employed in laboratories for various experiments. It is commonly used to create an ultra-cold environment for experiments involving gases or for preserving biological samples. The extreme cold of dry ice (干冰) can help scientists study chemical reactions at lower temperatures, providing valuable insights into molecular behavior. Moreover, dry ice (干冰) is often used in the field of cryogenics, where it plays a critical role in the preservation of cells and tissues.Another interesting application of dry ice (干冰) is in the entertainment industry. For instance, dry ice (干冰) is frequently used to create fog effects in theaters and concerts. When dry ice (干冰) is placed in warm water, it produces a thick fog that can enhance the atmosphere of a performance. This effect is not only visually striking, but it also adds an element of mystery and excitement to live events. Additionally, dry ice (干冰) can be used in Halloween decorations to create spooky effects, such as ghostly apparitions or eerie mist.Despite its many benefits, it is essential to handle dry ice (干冰) with care. Due to its extremely low temperature, direct contact with skin can cause frostbite. Therefore, it is recommended to use protective gloves when handling dry ice (干冰). Furthermore, since dry ice (干冰) sublimates into carbon dioxide gas, proper ventilation is necessary to prevent the accumulation of gas in enclosed spaces, which could lead to suffocation.In conclusion, dry ice (干冰) is a versatile and valuable substance with a wide range of applications. From preserving food and pharmaceuticals to creating stunning visual effects, its unique properties make it an essential tool in various industries. Understanding how to safely use dry ice (干冰) allows us to harness its benefits while minimizing risks. As technology advances, we may discover even more innovative uses for this remarkable material, further enhancing its significance in our daily lives.