At a recent conference on bilingualism which was expected to attract only 150 people, nearly 1, 200 showed up . 最近召开了一次讨论双语教学问题的会议，预先以为只有一百五十人参加，结果出席的差不多有一千二百人。
The transmitted information is coded into the amplitude of the pulses so that each predetermined value of pulse energy is associated with a message . 把传输的信息编码成脉冲的振幅，因而使每个预先规定的脉冲能量值对应于一个信息。
Now i saw the folly of beginning a work before we count the cost; and before we judge rightly of our own strength to go through with it . 我现在才明白，开始做一件事的时候，若不是预先计算一下需要多少代价，若是不预先对自己的力量做一个正确的估计真是太愚蠢了。
A speaker may be very well informed, but if he hasn't thought out exactly what he wants to say today, to this audience, he has no business taking up other people's valuable time . 演说的人可以是博学多闻的，但如果他没有预先想好今天对这批听众实际要讲些什么，他就没有权利浪费别人的宝贵时间。
While mrs. sparsit took the precaution of concealing her little table, with all its appliances upon it, in a cupboard, and then decamped upstairs, that she might appear, if needful, with the greater dignity . 同时斯巴塞太太为了表示谨慎，就预先把她那张小桌子连同桌上一切物品都藏在一只碗橱里，然后跑上楼去，以便需要她出场的时候，好显得尊贵些。
One of the predefined words of an artificial language 人工语言中预先定义的词。
Reviewing the labelling system for prepackaged foods 检讨预先包装食品的标签制度
Give a little advance thought to this relationship 给予少许预先思考这种关系。
I like to map out the whole week in advance 我喜欢预先把整整一周的事作出安排
