Anything that cannot be done without; a necessity. 必需品;要件。 Fresh air is a requisite of life. 新鲜空气为生命之要素。 So needful that it cannot be done without; necessary. 必需的;需要的。 a requisite amount of food 必需的食物量。 Decision is a quality requisite for a commander. 决断为将领必具的才能。 adj, required, essential, needed. |