| 释义 |
ester/ˈestə/n. Chem. any of a class of organic compounds produced by replacing the hydrogen of an acid by an alkyl, aryl, etc. radical, many of which occur naturally as oils and fats 【化】酯 □ esterify /eˈsterifai/ v. tr. (-ies, -ied)[German, probably from Essig ‘vinegar’ + Äther ‘ether’] |