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adj.首要必备的
n.先决条件
1、perquisite───n.额外补贴；临时津贴；特权
2、corequisites───n.并修课程
3、prerequisites───n.预备知识，先决条件（prerequisite复数）
4、requisite───adj.必备的，必不可少的；需要的；n.必需品
5、prerequire───预先要求
6、corequisite───n.并修课程
7、perquisites───n.补贴性消费；额外津贴（perquisite的复数）
8、unrequisite───不寻常的
9、prerequiring───预先要求
1、Courage is no longer a prerequisite for a stay in Naples.───勇气不再是留在那不勒斯的先决条件。
2、As if 'being in love', an emotional state as volatile as any mood, were a prerequisite to staying loyal.───似乎“爱”，这个跟任何其他情绪一样虚无缥缈的感情状态，是忠诚的首要条件。
3、Professionalism has turned the acquisition of a doctoral degree into a prerequisite for a successful academic career: as late as 1969 a third of American professors did not possess one.───专业主义已经把获得博士学位变成了学术生涯成功的先决条件：直到1969年，三分之一的美国教授没有博士学位。
4、Baby trying to allow more exploration, the prerequisite is to have a basic balance of the action.───多让宝宝尝试与探索，前提是要先有基本的动作平衡能力。
5、When negotiating the terms of your acceptance, communicating the value you bring to the role is a prerequisite for getting what you want.───在你为接受条款而谈判的过程中，你要将自己带给这一岗位的价值与他人沟通。这是你得尝所愿的必要条件。
6、The most famous opusesClair de Lune(1887) was classified as prerequisite of enrollment in the Royal College of Music, London.───最著名的歌曲《月光》（1887）被列为伦敦皇家音乐学院入学的必唱曲目。
7、Rainfall is one of the main dynamic input factors of flood forecasting and a prerequisite for ensuring forecasting accuracy.───降雨量是洪水预报的主要动态输入因素之一，是保证预报精度的前提条件。
8、Though it's no guarantee, a B. A. or some kind of technical training is at least a prerequisite for a decent salary.───尽管大学文凭不再是工作的保障，一个本科文凭或者某种技术培训至少是拥有一份不错的工资的前提。
9、A prerequisite to any change control process is an up to date inventory of hardware and software.───任何更改控制流程的先决条件都需要有最新的硬件和软件库存。
1、It is a prerequisite of entry to the profession that you pass the exams.