alertness

简明释义

英[əˈlɜːtnəs]美[əˈlɜːrtnəs]

n. 警戒；机敏

英英释义

单词用法

同义词

反义词

例句

1.Raudenbush concluded that the stimulants in chocolate increased mental alertness.

罗登·布希博士的结论是，巧克力中的兴奋剂提升了大脑的灵活度。

2.Alcohol causes a loss of judgment and alertness.

酒精会使人丧失判断力和警觉性。

3.Caffeine is defined as a drug because it stimulates the central nervous system, causing increased alertness.

它之所以被定义为一种药物，是因为它会刺激中枢神经系统，让人神智更加清醒。

4.Your heightened alertness will enable you to be more relaxed and less tense.

加强防范，会让你多点轻松，少些紧张。

5.This area sends signals to boost alertness as the pressure to sleep mounts.

当睡眠压力增加时，视交叉上核会发送信号以提高警觉性。

6.You will feel rested and you'll notice your mood and alertness improve.

你会感到充分休息情绪和敏锐度提高。

7.That purpose is alertness.

这个目的就是警惕。

8.Moss said the healthier breakfast probably aided classtime alertness.

莫斯说更为健康的早餐几乎可以肯定是有助于上课时的机敏程度的。

9.During the meeting, her alertness 警觉性 helped her catch important details.

在会议期间，她的警觉性帮助她捕捉到了重要细节。

10.She drank coffee to boost her alertness 警觉性 during the late-night study session.

她喝咖啡来提升她在深夜学习时的警觉性。

11.Regular exercise can improve your mental alertness 警觉性 and focus.

定期锻炼可以提高你的心理警觉性和专注力。

12.The driver's alertness 警觉性 is crucial for avoiding accidents on the road.

司机的警觉性对于避免道路上的事故至关重要。

13.The soldier's alertness 警觉性 ensured the safety of his unit during the operation.

士兵的警觉性确保了他部队在行动中的安全。

作文

In today's fast-paced world, maintaining a high level of alertness is crucial for success in various aspects of life. Alertness refers to the state of being watchful and ready to respond to potential dangers or opportunities. It involves not only physical awareness but also mental sharpness and focus. The ability to stay alert can significantly impact our productivity, safety, and overall well-being.One of the primary areas where alertness plays a vital role is in education. Students who are alert during lectures are more likely to absorb information and engage in meaningful discussions. When a student is attentive and alert, they can grasp complex concepts more easily and retain information for longer periods. This heightened state of awareness allows them to participate actively, ask questions, and develop critical thinking skills. On the other hand, a lack of alertness can lead to missed opportunities for learning and understanding, ultimately affecting academic performance.In the workplace, alertness is equally important. Employees who maintain a high level of alertness are better equipped to handle tasks efficiently and respond to challenges swiftly. For instance, in high-stakes environments like hospitals or emergency services, professionals must be constantly alert to ensure the safety and well-being of others. A moment of distraction can lead to dire consequences, highlighting the necessity of being alert at all times. Moreover, a culture of alertness in the workplace fosters collaboration and innovation, as team members are more likely to notice and act on new ideas or potential issues.Furthermore, alertness is essential for personal safety. Whether driving a car, crossing the street, or engaging in outdoor activities, being alert can prevent accidents and injuries. For instance, a driver who is alert to their surroundings can react quickly to sudden changes in traffic or road conditions, reducing the likelihood of collisions. Similarly, pedestrians who remain alert while navigating busy streets are less likely to become victims of accidents. This emphasis on alertness extends beyond individual safety; it contributes to the overall safety of the community.To enhance our alertness, there are several strategies we can implement in our daily lives. First, ensuring adequate sleep is fundamental. Sleep deprivation can severely impair cognitive functions and reduce our ability to remain alert. Regular exercise also promotes physical health and increases energy levels, which can help maintain a state of alertness. Additionally, practicing mindfulness and meditation can improve our focus and mental clarity, allowing us to be more alert in our daily activities.In conclusion, alertness is a critical attribute that influences our learning, work performance, and personal safety. By prioritizing our alertness through healthy habits and mindful practices, we can enhance our ability to respond effectively to the demands of our environment. In a world filled with distractions and challenges, cultivating a state of alertness will empower us to seize opportunities and navigate life's complexities with confidence.

在当今快节奏的世界中，保持高度的警觉性对于在生活的各个方面取得成功至关重要。警觉性是指对潜在危险或机会保持警惕和准备回应的状态。它不仅涉及身体意识，还包括心理敏锐度和专注力。保持警觉的能力可以显著影响我们的生产力、安全性和整体健康。警觉性发挥重要作用的主要领域之一是教育。在课堂上保持警觉的学生更有可能吸收信息并参与有意义的讨论。当学生专注且警觉时，他们可以更轻松地掌握复杂概念，并能够更长时间地记住信息。这种高度的意识状态使他们能够积极参与、提出问题并发展批判性思维技能。另一方面，缺乏警觉性可能导致错过学习和理解的机会，最终影响学业表现。在工作场所，警觉性同样重要。保持高水平警觉的员工更能有效地处理任务并迅速应对挑战。例如，在医院或紧急服务等高风险环境中，专业人员必须始终保持警觉，以确保他人的安全和福祉。片刻的分心可能导致严重后果，这突显了随时保持警觉的必要性。此外，工作场所的警觉性文化促进了合作和创新，因为团队成员更有可能注意到并采取行动应对新想法或潜在问题。此外，警觉性对个人安全至关重要。无论是开车、过马路还是参加户外活动，保持警觉都能防止事故和伤害。例如，保持警觉的司机可以快速对交通或道路状况的突然变化做出反应，从而减少碰撞的可能性。同样，在繁忙街道上保持警觉的行人不太可能成为事故的受害者。这种对警觉性的重视不仅限于个人安全；它还为社区的整体安全做出了贡献。为了增强我们的警觉性，我们可以在日常生活中实施几种策略。首先，确保充足的睡眠是基础。睡眠不足会严重损害认知功能，降低我们保持警觉的能力。定期锻炼也促进身体健康，提高能量水平，有助于保持警觉性。此外，练习正念和冥想可以提高我们的专注力和心理清晰度，使我们在日常活动中更加警觉。总之，警觉性是一个关键特质，影响着我们的学习、工作表现和个人安全。通过优先考虑我们的警觉性，养成健康的习惯和注意力集中练习，我们可以增强应对环境需求的能力。在一个充满干扰和挑战的世界中，培养警觉性将使我们能够自信地抓住机会，驾驭生活的复杂性。