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active ingredient
US /ˈæktɪv ɪnˈɡridiənt/
・UK /ˈæktiv inˈɡri:djənt/
B1 中級
n.名詞活性成分
The active ingredient in this medication is paracetamol.
n.名詞活性成分
Vitamin C is an active ingredient often found in skincare products.
n.名詞活性成分
The active ingredient in bleach is sodium hypochlorite.
影片字幕
常被蚊子叮，點蚊香驅蚊？來看看蚊香如何製成 (Mosquito Coils | How It's Made)
- Then they add the coil's only chemical active ingredient: meperfluthrin.
接著他們會加入線圈唯一的化學活性成分：氯氟醚菊酯。
抽電子煙比抽菸更傷身嗎？ (Is Vaping Worse Than Smoking?)
- Mixed with an active ingredient, most commonly nicotine and chemical flavorings,
與活性成分（最常見的是尼古丁和化學調味料）混合，
薬剤師だけど「薬・醫薬品」について質問ある？ (薬剤師だけど「薬・医薬品」について質問ある？| Tech Support | WIRED Japan)
- So some of the time what we do in order to make the medication last longer is that we use a precursor to that substrate, which allows for the main medication or the active ingredient to get metabolized after first pass metabolism and become the active medication.
是以，在某些情況下，為了延長藥物的療效，我們會使用底物的前體，使主要藥物或有效成分在經過第一次代謝後被代謝掉，成為有效藥物。
- The reason why this is important is because there's so many different over-the-counter cough and cold preparations that contain the active ingredient in Tylenol, which is called acetaminophen.
這一點之所以重要，是因為有許多不同的非處方咳嗽和感冒製劑都含有泰諾的活性成分，即對乙酰氨基酚。
我們意外發現的新型戒毒療法 (The New Addiction Treatment We Found By Mistake)
- It even happened with Viagra in 2005, when the active ingredient was finally approved for pulmonary hypertension, on a shorter timeline than it took to get the first one.
22005 年威而鋼的發生了這種情況，當時該活性成分最終被批准用於治療肺動脈高壓，但時間比獲得第一種威而鋼所需的時間更短。
市面上所有產品都是為這個男人量身打造的！甚至是藥！(Everything is designed for this man, even drugs)
- But it turns out, women metabolize the active ingredient in Ambien twice as slowly as men.
結果發現，女性代謝 Ambien 中有效成分的速度比男性慢一倍。
- Take Acetaminophen, the active ingredient in Tylenol.
拿止痛藥 Tylenol（泰諾特）中的成分 Acetaminophen（乙醯胺酚）為例。
催淚彈不只是催淚！鎮壓抗爭者的催淚瓦斯危害有多大？ (How Tear Gas Affects Your Body)
- The key active ingredient, called 2-chlorobenzalmalononitrile is a chemical that activates large amounts of pain receptors in the eyes and respiratory system by irritating the membranes.
關鍵活性成分鄰-氯代苯亞甲基丙二腈是種藉由刺激角膜來觸發眼部和呼吸系統中大量痛覺受器的化學物質。
瓊斯博士的簡單天然 DIY 狗過敏膏：它真的能止癢 (Dr Jones' Simple and Natural DIY Dog Allergy Cream: It really Stops Itching!)
- The active ingredient in castor oil is ricinoleic acid, it is a proven topical anti-inflammatory.
蓖麻油的有效成分是蓖麻油酸，它是一種公認的局部消炎藥。
