tannin source的意思

單寧來源

main source───主源

carbon source───碳源

radio source───射頻源；[天]射電源

ignition source───[電]點火源；著火源

ignition sources───[電]點火源；著火源

at source───在產地；在源頭

insource───輸入源

open source───開放源碼；開放資源

point source───點聲源

It is also an important source of tannin for tanning industries.───它也是提取丹寧酸或制革工作的重要原料。

Next to the skin, the pips are the most important source of tannin of the wine.───除了葡萄皮，葡萄籽是酒中最重要的單寧成分來源。