极其: most; extremely重要: important; significant; majo ...的: 4次方是 The fourth power of 2 i ...必不可少: indispensable; absolutely ne ...必不可少的，极其重要的: vital a. very necessary必不可少的，非常重要的: be essential to必要的,必不可少的: essential to必不可少的: essential; imperative; indispensable for; vital不可或缺的，必要的，必不可少的: indispensable极其重要的: cardinal; of the essence; of vital importance; vitally important必不可少的人: indispensable对…必不可少的: be indispensable for; faithful to不重要的但不可少的人: person who plays a necessary but small必不可少的东西: a breath of life必需的，必不可少的: indispensable对……是必不可少的: be essential to极其重要的问题: vital subject必要的，基本的，不可少的: essential to/for计算机中必不可少的软件: os operating system必不可少: indispensable; absolutely necessary; essential极其重要: be of prime importance必不可少组成: absolute necessity; sine qua non不可少的: imperative; requisite刺激销路必不可少的广告运动: an advertising campaign to give a muchneeded fillito saless有些东西是必不可少的而其他东西没有也行: there are some things that are essential and others that can be done without
