| 释义 |
necessary /'nesason US: -sen; 'ncsacri/ adj which has to be done; which must be; which cannot be done without or escaped from: 必须做的; 必要的; 必然的; 必需的; 必定的; 难以逃避的： Sleep is ~ to health. 睡眠对健康是必要的。 Is war a ~ evil in this world? 战争是世上难以避免的灾祸吗？ Is it. ~ for you to be/Is it ~ that you should be sb economical? 你非要如此节省不可吗? n [C] (usu pl) things ~ (for living). (通常用复数) (生活) 必需品。 |