precursorKK [priˋkɝsɚ] /pɹiˈkɝsɚ/发音名词1前身、先驱This clumsy machine was the precursor of the modern computer.这台笨重的机器是现代电脑的前身。2先驱者、开创者She is regarded as a precursor of today's female entrepreneurs.她被视为当代女性创业家的先驱者。3前兆、征兆Mild tremors are often a precursor to a major earthquake.轻微的地震常是大地震的前兆。4前驱物、前体化学The plant contains a natural precursor of the drug.这种植物含有该药物的天然前驱物。用这个字练口说→