geosmin
US /dʒi':oʊsmɪn/
・UK /dʒi':əʊsmɪn/
A1 初級
n. (u.)不可數名詞土臭素
Geosmin is responsible for the earthy taste in beetroots and the muddy smell that occurs when rain falls after a dry period.
n. (u.)不可數名詞異味素
The presence of geosmin in water supplies can cause taste and odor issues, even at very low concentrations.
n. (u.)不可數名詞泥土味
Some wine tasters can detect geosmin in certain wines, contributing to an earthy or terroir-driven profile.
影片字幕
雨的味道從何而來? (Where Does the Smell of Rain Come From?)
03:11
- Bacteria in the soil also contribute to petrichor by releasing a chemical called geosmin,
在土壤裡面的細菌會助於Petrichor釋放一種名為土臭素的化學物質
【科學小常識】為什麼下雨後空氣格外清新? (Why Does Rain Smell So Good?)
03:30
- antibiotics. When these bacteria die, they release an organic compound called Geosmin,
當這些細菌死亡,它們會釋出一種稱為「土霉味(geosmin)」的有機化合物