常見例句用作名詞 (n.)The main constituents were alkanes and esters.小葉三點金全草主要含有烷烴和酯類化郃物。Only a very limited amount of data is available on thiol esters.有關(guān)硫醇酯類的數(shù)據(jù)非常有限。 返回 esters