emit

简明释义

英[iˈmɪt]美[iˈmɪt]

v. 排放，散发（尤指气体、辐射物）；发出（声音或噪音）；发行，发表

第 三 人 称 单 数 e m i t s

现 在 分 词 e m i t t i n g

过 去 式 e m i t t e d

过 去 分 词 e m i t t e d

英英释义

单词用法

同义词

反义词

例句

1.They also re-emit some of the heat they absorb.

它们也会再次放射走一些已经吸收的热量。

2.But the most sensible form of adaptation is surely to adapt our energy systems to emit less carbon pollution.

但最理智的适应方式当然是调整我们的能源系统，以减少碳污染。

3.The climate change we are hastening could one day leave us with forests that emit more carbon than they absorb.

因人类而不断加剧的气候变化或许终有一日让森林的碳排放量超过其吸收量。

4.They continue to emit distress calls underwater both as tadpoles and after they have begun metamorphosis.

无论是蝌蚪还是刚开始变形的蝌蚪，它们都能够在水下发出叫声。

5.When submerged, they're also able to emit signals from depths of 20,000 ft.

潜入水中后，它们仍能从2万英尺深处发射信号。

6.Another approach is to use materials that emit light.

另外一个途径是利用能发光的物质。

7.The factory is known to emit harmful gases into the atmosphere.

这家工厂以释放有害气体到大气中而闻名。

8.Stars emit light and heat, making them visible from great distances.

星星发出光和热，使它们在很远的地方可见。

9.The old car tends to emit a lot of smoke when it starts.

这辆旧车在启动时往往会排放大量烟雾。

10.Plants emit oxygen during photosynthesis.

植物在光合作用中释放氧气。

11.When heated, the material will emit a faint glow.

加热时，材料会发出微弱的光芒。

作文

In our daily lives, we are constantly surrounded by various forms of energy and matter that interact with each other in fascinating ways. One important concept that often arises in discussions about energy transfer is the ability of objects to emit light, heat, or sound. To emit (发出) means to produce or discharge something, particularly energy or particles. Understanding how different entities emit energy can help us comprehend the natural world around us and the technology we use every day. For instance, consider the sun, which is a massive ball of gas that emits (发出) light and heat through nuclear fusion. This process not only provides warmth to our planet but also sustains life by enabling photosynthesis in plants. Without the sun's ability to emit (发出) energy, Earth would be a cold, dark place devoid of life. The light that the sun emits (发出) travels through space and reaches us, allowing us to see and experience the world around us. Another example of emitting (发出) energy can be seen in incandescent light bulbs. When electricity flows through the filament of the bulb, it heats up and begins to emit (发出) light. This principle of emitting (发出) light through heat is fundamental to many lighting technologies, although more energy-efficient options like LED lights have emerged, which emit (发出) light through a different mechanism, involving the movement of electrons. In addition to light, various objects emit (发出) sound as well. For example, when a guitar string is plucked, it vibrates and emits (发出) sound waves into the air. These sound waves travel until they reach our ears, allowing us to enjoy music and communication. The ability of objects to emit (发出) sound is crucial for numerous aspects of human interaction, from casual conversations to complex musical performances. Moreover, in the context of environmental science, understanding how different materials emit (发出) gases and pollutants is vital for assessing air quality and climate change. Factories and vehicles emit (发出) carbon dioxide and other greenhouse gases, contributing to global warming. By studying these emissions, scientists can develop strategies to reduce our carbon footprint and mitigate the effects of climate change. In conclusion, the concept of emitting (发出) energy is integral to our understanding of the physical world. From the sun's radiant energy to the sounds produced by musical instruments, the ability to emit (发出) various forms of energy plays a crucial role in both nature and technology. As we continue to explore and innovate, recognizing how we emit (发出) energy will be essential in creating a sustainable future for our planet.

在我们的日常生活中，我们不断被各种形式的能量和物质所包围，这些能量和物质以迷人的方式相互作用。在关于能量转移的讨论中，一个重要的概念是物体能够发出光、热或声。发出（emit）意味着产生或释放某种东西，特别是能量或粒子。理解不同实体如何发出能量可以帮助我们理解周围的自然世界和我们每天使用的技术。 例如，考虑太阳，它是一个巨大的气体球，通过核聚变发出（emit）光和热。这一过程不仅为我们的星球提供温暖，还通过使植物进行光合作用来维持生命。如果没有太阳的能力去发出（emit）能量，地球将是一个寒冷、黑暗的地方，缺乏生命。太阳发出（emit）的光穿过太空到达我们，使我们能够看到和体验周围的世界。 另一个发出（emit）能量的例子可以在白炽灯泡中看到。当电流通过灯泡的灯丝时，它会加热并开始发出（emit）光。这种通过热量发出（emit）光的原理是许多照明技术的基础，尽管更节能的选择如LED灯已经出现，它们通过不同的机制发出（emit）光，涉及电子的运动。 除了光，许多物体也发出（emit）声音。例如，当吉他弦被拨动时，它会振动并发出（emit）声波进入空气。这些声波传播，直到到达我们的耳朵，让我们享受音乐和交流。物体发出（emit）声音的能力对于人类互动的多个方面至关重要，从随意的对话到复杂的音乐表演。 此外，在环境科学的背景下，理解不同材料如何发出（emit）气体和污染物对于评估空气质量和气候变化至关重要。工厂和车辆发出（emit）二氧化碳和其他温室气体，导致全球变暖。通过研究这些排放，科学家可以制定减少碳足迹和缓解气候变化影响的策略。 总之，发出（emit）能量的概念是我们理解物理世界的基石。从太阳的辐射能到乐器产生的声音，发出（emit）各种形式的能量的能力在自然和技术中都发挥着至关重要的作用。随着我们继续探索和创新，认识到我们如何发出（emit）能量对于创造可持续的未来将是必不可少的。