vital/ˋvaItḷ; ˈvaItl/adj 1 extremely important or necessary 极其重要的﹔必不可少的: +to His evidence was vital to the defence case. 他的证词对辩方的论据非常重要。The work she does is absolutely vital . 她所做的工作极其重要。see box at见 IMPORTANT 方框2 full of energy, in a way that seems attractive 充满活力的﹐生气勃勃的 —vitally adv : The work is vitally important . 这个工作极为重要。