She is a forerunner of the modern women's movement.她是现代妇女运动的先驱.Anglo - Saxon is the forerunner of modern English.盎 格鲁撒 克逊语是现代英语的先驱.Penicillin was the forerunner of modern antibiotics.青霉素是现代抗生素的先导....
由于年代久远,其渊源已无法考证.It has an origin lost in the mists of antiquity.我不知道这则旧传闻的出处,我从来没能考证出结果。I don't know where that old story came from, I've never been able to track it down.博物学中虽然有许多类似的假设,却从没人对此考证过。But as with ma...