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    alertness

    US /ə'lɜ:tnəs/

    ・

    UK /ə'lɜ:tnəs/

    B1 中級
    n. (u.)不可數名詞警戒：機敏
    Scientific studies have suggested that drinking coffee can aid your alertness

    影片字幕

    大腦升級術！✅ 每天必做這兩件事，讓你越變越聰明？ ft. 安德魯．胡伯曼博士 (中英字幕) (如何讓大腦變強？► 每天做好這兩件事 ? - Dr. Andrew Huberman 安德魯．胡伯曼博士（中英字幕）)

    03:46大腦升級術！✅ 每天必做這兩件事，讓你越變越聰明？ ft. 安德魯．胡伯曼博士 (中英字幕) (如何讓大腦變強？► 每天做好這兩件事 ? - Dr. Andrew Huberman 安德魯．胡伯曼博士（中英字幕）)
    • So when you or I decide we're going to learn something and really dig in, norepinephrine, which is adrenaline, is secreted in the brainstem and in the body, and it brings about a state of alertness.

      是以，當你或我決定要學習一些東西並真正深入進去時，去甲腎上腺素，也就是腎上腺素，就會在腦幹和體內分泌出來，並帶來一種警覺狀態。

    • But if you do those two things, you have alertness and focus, the acetylcholine and the norepinephrine converge to mark those synapses for change.

      但如果你做了這兩件事，你有了警覺性和專注力，乙酰膽鹼和去甲腎上腺素就會匯聚到這些突觸上，為變化做標記。

    B1 中級

    多大的音量能殺死你？！ (How Much Loud Can Kill You?)

    04:44多大的音量能殺死你？！ (How Much Loud Can Kill You?)
    • respiratory systems, resulting in things like loss of concentration and alertness, depression, and vibration of internal organs.

      呼吸系統，導致注意力不集中、警覺性下降、憂鬱，以及內臟器官振動。

    • respiratory systems, resulting in things like loss of concentration and alertness, depression, and vibration of internal organs.

      呼吸系統，導致注意力不集中、警覺性下降、憂鬱，以及內臟器官振動。

    B1 中級

    讓你無法專心？就是這 6 個關鍵因素必須改變！ (This is Why You CAN’T FOCUS | 6 Factors That Must Change)

    10:02讓你無法專心？就是這 6 個關鍵因素必須改變！ (This is Why You CAN’T FOCUS | 6 Factors That Must Change)
    • Eating sugary foods can lead to fatigue and decreased alertness within an hour of your meal.

      吃含糖食物可能會在一小時內讓你感到疲勞、注意力下降。

    • Eating sugary foods can lead to fatigue and decreased alertness within an hour of your meal.

      這部分是因為我們的身體對這些餐點的反應。

    B1 中級

    成癮的真相：多巴胺的起伏與飆升 | Andrew Huberman 博士 (Addiction Explained, Rises & Falls in Dopamine | Dr. Andrew Huberman)

    07:17成癮的真相：多巴胺的起伏與飆升 | Andrew Huberman 博士 (Addiction Explained, Rises & Falls in Dopamine | Dr. Andrew Huberman)
    • They're craving the increased level of alertness.

      他們渴望多巴胺峰值。

    • They're craving the increased level of alertness.

      他們渴望提高警覺性。

    B1 中級

    眼睛只要往上看，就能大幅提升專注力！史丹佛大學教授親授祕訣 ► Dr. Andrew Huberman 安德魯．胡伯曼博士（中英字幕） (眼睛只需向上看，就能有效提高你的專注力 ► 聽聽史丹佛大學教授怎麼說... - Dr. Andrew Huberman 安德魯．胡伯曼博士（中英字幕）)

    03:19眼睛只要往上看，就能大幅提升專注力！史丹佛大學教授親授祕訣 ► Dr. Andrew Huberman 安德魯．胡伯曼博士（中英字幕） (眼睛只需向上看，就能有效提高你的專注力 ► 聽聽史丹佛大學教授怎麼說... - Dr. Andrew Huberman 安德魯．胡伯曼博士（中英字幕）)
    • When our eyes are directed upward, it creates a state of heightened alertness.

      當我們的眼睛向上看時，會產生一種高度警覺的狀態。

    • When our eyes are directed upward, it creates a state of heightened alertness.

      當我們的眼睛向上看時，會產生一種高度警覺的狀態。

    B1 中級

    最強逆轉大腦老化、激發記憶力的超級食物！ (The #1 Food That Reverses Brain Aging and Supercharges Memory!)

    06:09最強逆轉大腦老化、激發記憶力的超級食物！ (The #1 Food That Reverses Brain Aging and Supercharges Memory!)
    • And by contributing to efficient energy production and utilization in the brain, the nutrient in eggs support cognitive processes, mental alertness, and overall brain function.

      雞蛋中的營養物質有助於大腦有效地產生和利用能量，從而支持認知過程、精神警覺性和大腦的整體功能。

    • And by contributing to efficient energy production and utilization in the brain, the nutrient in eggs support cognitive processes, mental alertness, and

      請與您的親朋好友分享。

    B1 中級

    學霸都在用的5招！提升專注力與記憶力的祕訣大公開！ (Become a Better Learner: 5 things you can do to improve focus & memory)

    17:27學霸都在用的5招！提升專注力與記憶力的祕訣大公開！ (Become a Better Learner: 5 things you can do to improve focus & memory)
    • Exercise helps with motivation, helps with alertness and attention.

      運動有助於激勵、警覺和專注。

    • Exercise helps with motivation, helps with alertness and attention.

      運動有助於激勵、警覺和專注。

    A2 初級

    這部影片讓你充滿自信！✨ (THIS VIDEO WILL MAKE YOU CONFIDENT.)

    16:53這部影片讓你充滿自信！✨ (THIS VIDEO WILL MAKE YOU CONFIDENT.)
    • 2 cups of blueberries a day will improve your mood, your alertness, your energy levels, and guess what?

      研究顯示，每天吃七到八份水果和蔬菜的人，生活滿意度最高。

    • 2 cups of blueberries a day will improve your mood, your alertness, your energy levels, and guess what?

      每天兩杯藍莓，能提升你的心情、警覺性、能量水準，還有什麼？

    A2 初級

    9個最糟糕的讀書方法大評比！別再犯這些錯了！ (9 WORST Study Strategies Ranked | Stop Repeating These Mistakes)

    10:539個最糟糕的讀書方法大評比！別再犯這些錯了！ (9 WORST Study Strategies Ranked | Stop Repeating These Mistakes)
    • Lack of sleep also severely hinders your attention span, alertness and overall performance.

      睡眠不足也會嚴重影響你的注意力、警覺性以及整體表現。

    • Lack of sleep also severely hinders your attention span, alertness, and overall performance.
    B1 中級

    拉布拉多尋回犬 101：關於拉布拉多的大小事，你該知道的全在這！ (Labrador Retriever 101: Everything You Need to Know About Labs)

    03:42拉布拉多尋回犬 101：關於拉布拉多的大小事，你該知道的全在這！ (Labrador Retriever 101: Everything You Need to Know About Labs)
    • Don't tell me they're all— However, the very same nature makes them unfit for guard dog duties, as the role requires alertness and vigilance against strangers.

      拉布拉多尋回犬是非常聰明的犬種。

    • As the role requires alertness and vigilance against strangers.

      因為這個角色需要對陌生人保持警惕和警覺。

    B2 中高級