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）)
- 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。
咖啡因!! - 咬一口科學！ (Caffeine!! - Bite Sci-zed !)
- Before I got to cup 48 anyways, the stimulant effects of caffeine would be jacked up so high that the alertness and awakeness would be transformed into mania, disorientation, and
你將有一個百毫克的咖啡因左， 然後另一個6小時後，你將有一半的百。
- jacked up so high that that the alertness and awakeness would be transformed into mania,
抬高了，以至於警覺性和覺醒性會轉化為狂躁。
你也是每天一杯咖啡嗎？跟著 BBC 一起探索咖啡究竟會對身體有什麼影響！ (What does coffee do to your body? - BBC World Service)
- and helps you stay in a state of alertness so you can concentrate for longer.
咖啡因對以下方面亦有相當的影響的影響，如情緒，抑制疲勞感，並能提高身體機能。
- suppresses hunger and helps you stay in a state of alertness, so you
例如，它與降低第 2 型糖尿病、心血管疾病、某些癌症和帕金森氏症的風險有關。
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。
我不想拍這支睡眠不足的影片，但我還是拍了！ (I Didn't Want to Make This Sleep Deprivation Video (But I Did))
- So it's thought that the best time to drink coffee is mid-morning between 9.30 and 11.30 am because your cortisol levels naturally dip so you can bring in the caffeine to help boost alertness.
是以，人們認為喝咖啡的最佳時間是上午 9:30 至 11:30 之間，因為此時人體的皮質醇水準會自然下降，是以可以補充咖啡因，幫助提高警覺性。
- So it's thought that the best time to drink coffee is mid-morning, between 9:30 and 11:30 AM, because your cortisol levels naturally dip so you can bring in the caffeine to help boost alertness.
事實上，咖啡因在人體內存留的時間比很多人想象的要長。
哪個比較傷身？傳統香菸和電子菸的比較 (Smoking vs Vaping)
- In cigarettes, this releases nicotine which is absorbed into your bloodstream through the lungs, causing increased heart rate, constricted blood vessels, release of dopamine in the brain and feelings of alertness.
在香菸中，這些被釋放的尼古丁會被你的肺吸收到血液中，因而提高心臟病發生機率、造成血管收縮、多巴胺在腦中的釋放、官能放大。
- brain and feelings of alertness. But because nicotine is a stimulant, once it’s no longer
以大麻來說，活性化合物 THC 被氣化了並照著一樣的方式進入你的身體，但有不同的影響，在我們影片＂吸大麻中時大腦＂有更多解釋。
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。
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
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