aridness

简明释义

英[ˈær.ɪd.nəs]美[ˈɛr.ɪd.nəs]

n. 干燥

英英释义

单词用法

同义词

反义词

例句

1.The thicker the straw mulching, the more significant the effect. But the effect was limited by soil aridness and growth stage of maize.

稻草覆盖可减轻玉米旱害，其效果随着覆盖量的加大而越明显，但受干旱程度和生育期影响。

2.The thicker the straw mulching, the more significant the effect. But the effect was limited by soil aridness and growth stage of maize.

稻草覆盖可减轻玉米旱害，其效果随着覆盖量的加大而越明显，但受干旱程度和生育期影响。

3.The desert is known for its extreme aridness, making it difficult for most plants to survive.

沙漠以其极端的干旱而闻名，这使得大多数植物难以生存。

4.Farmers in regions of high aridness often struggle to find enough water for their crops.

在高干旱地区的农民常常难以找到足够的水源来灌溉他们的作物。

5.The aridness of the land made it necessary to implement irrigation systems.

土地的干旱使得实施灌溉系统成为必要。

6.Scientists are studying how plants adapt to aridness to improve agricultural practices.

科学家们正在研究植物如何适应干旱以改善农业实践。

7.The aridness of the climate has led to the extinction of several local species.

气候的干旱导致了几种地方物种的灭绝。

作文

The world is a diverse place, filled with various climates and environments that shape the lives of countless organisms. Among these environments, the concept of aridness (干旱) stands out as a defining characteristic of certain regions. Arid areas are often characterized by low rainfall, high temperatures, and limited vegetation, creating a unique ecosystem that poses both challenges and opportunities for life. Understanding the implications of aridness is crucial for appreciating how life adapts in these harsh conditions.One of the most well-known examples of aridness can be found in deserts. Deserts, such as the Sahara or the Mojave, epitomize the extreme lack of moisture that defines arid regions. The average annual rainfall in these areas can be less than 250 millimeters, which is insufficient to support most plant life. As a result, the flora and fauna that do thrive in these environments have developed remarkable adaptations. For instance, cacti have evolved to store water in their thick stems, while many desert animals are nocturnal, avoiding the scorching heat of the day to conserve energy and moisture.The effects of aridness extend beyond the natural world; they also have significant implications for human societies. In regions where aridness prevails, agriculture becomes a daunting challenge. Traditional farming methods may not suffice, leading to food insecurity and economic instability. To combat these issues, innovative agricultural techniques have emerged. For example, drip irrigation systems allow farmers to maximize water efficiency, delivering precise amounts of water directly to the roots of plants. This method not only conserves water but also enhances crop yields, demonstrating how humans can adapt to the challenges posed by aridness.Moreover, aridness affects the availability of freshwater resources. Many arid regions rely heavily on rivers and lakes that may be subject to seasonal fluctuations. As populations grow and demand for water increases, conflicts over water resources can arise. Sustainable management practices are essential to ensure that communities can thrive despite the limitations imposed by aridness. Techniques such as rainwater harvesting and desalination are becoming more prevalent as societies seek to mitigate the impacts of their environment.In addition to practical challenges, aridness also influences cultural practices and lifestyles. Communities living in arid regions often develop unique traditions and ways of life that reflect their adaptation to the environment. For instance, nomadic tribes may move seasonally in search of grazing land for their livestock, while sedentary populations might focus on cultivating drought-resistant crops. These cultural adaptations highlight the resilience of human societies in the face of environmental adversity.In conclusion, aridness (干旱) is a multifaceted concept that encompasses not only environmental characteristics but also social and economic dimensions. As we continue to study and understand the implications of aridness, it becomes clear that adaptation and innovation are key to thriving in such challenging conditions. Whether through technological advancements in agriculture or the preservation of cultural practices, humanity's ability to respond to the realities of aridness will shape our future interactions with these unique ecosystems.