vital：释义

Of, relating to, or characteristic of life: See Synonyms at living.

Necessary to the continuation of life; life-sustaining: a vital organ; vital nutrients.

Full of life; animated: "The population of the teeming, vital slum . . . declined” ( Rick Hampson).

Imparting life or animation; invigorating: the sun's vital rays.

Necessary to continued existence or effectiveness; essential: "Irrigation was vital to early civilization” ( William H. McNeill). "A vital component of any democracy is a free labor movement” ( Bayard Rustin).

Concerned with or recording data pertinent to lives: vital records.

Biology Used or done on a living cell or tissue: vital dyes; vital staining.

Destructive to life; fatal: a vital injury.