先驅的,前兆的,作預備的
Precursory \Pre*cur"so*ry\, a. [L. praecursorius.] Preceding as a precursor or harbinger; indicating something to follow; as, precursory symptoms of a fever. Precursory \Pre*cur"so*ry\, n. An introduction. [Obs.]
precursory adj : warning of future misfortune [syn: {premonitory}]