precursor
US /pri:ˈkɜ:rsə(r)/
・UK /pri:ˈkɜ:sə(r)/
B1 中級
n.名詞先驅
Dark, gray clouds are often a precursor to heavy rain or a storm
影片字幕
醫學謎團：探究特定區域好發帕金森氏症的背後原因（What’s Causing the Parkinson’s Belt?）
- but they found significantly higher rates of Parkinson's and its precursor symptoms among military members at Camp Lejeune compared to their peers at Camp Pendleton.
所以，不論汙染源來自哪裡，人們都需要調查這麼嚴重的汙染對健康的影響。
- but they found significantly higher rates of Parkinson's and its precursor symptoms among military members at Camp Lejeune compared to their peers at Camp Pendleton.
他們發現Lejeune營地的軍人罹患帕金森氏症及其前期症狀的比例，明顯高於Pendleton營地的同儕。
美警破獲墨西哥販毒集團與中國地下銀行集團勾結 (Mexican drug cartel tied to underground Chinese banking group)
- Investigators say the broker then used that money to purchase goods in China, including precursor chemicals used to make both meth and fentanyl.
調查人員稱，該經紀人隨後用這筆錢在中國購買商品，包括用於製造安非他命和芬太尼的前體化學品。
- Investigators say the broker then used that money to purchase goods in China, including precursor chemicals used to make both meth and fentanyl.
調查人員稱，該經紀人隨後用這筆錢在中國購買商品，包括用於製造安非他命和芬太尼的前體化學品。
重磅消息！蘋果有望宣佈與 OpenAI 山姆·阿特曼合作 (Apple Expected to Announce Deal With Sam Altman)
- This was a precursor, sort of, to Find My iPhone, Find My Friends.
那一年，他們在那次會議上花了將近半個小時。
- This was a precursor, sort of, to Find My iPhone, Find My Friends.
那一年，他們在那次會議上花了將近半個小時。
可可價格飆漲 — 實驗室種植的巧克力能是解方嗎？！ (The price of cocoa is soaring — could lab-grown chocolate be the answer?)
- There's a lot of precursor molecules that get made during fermentation.
發酵過程中會產生很多前體分子。
- Those precursor molecules combine during roasting to give you chocolatey notes in your finished chocolate.
這些前體分子在烘焙過程中結合在一起，使成品巧克力散發出巧克力的香味。
藥師來了！關於「藥品・醫藥品」你有任何問題嗎？| Tech Support | WIRED Japan (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。
- 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.
有藥片，有膠囊，還有各種不同類型的塗層，可以覆蓋在藥片上，使其在遇到胃酸後溶解或代謝得更慢。
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!)
- As a precursor to acetylcholine, a neurotransmitter vital for memory, mood regulation, and cognitive function, choline from eggs supports optimal brain function.
乙酰膽鹼是一種對記憶、情緒調節和認知功能至關重要的神經遞質，作為乙酰膽鹼的前體，雞蛋中的膽鹼有助於優化大腦功能。
- As a precursor to acetylcholine, a neurotransmitter vital for memory, mood regulation, and
這一點非常重要，因為乙酰膽鹼對大腦和身體起著關鍵作用。