是一个数字
a number of───若干，一些；许多；许多的; 一些
number of───许多；数目；若干
a small number of───少量的；一小部分；少量的…
a large number of───adj.大量的；很多
number of copies───n.复制份数
tripling a number───三倍于一个数
be a risk of───冒危险
a large number of people───许多人；很多人
persistence of number───数的持久性
Mary thought that there seemed to be a number of uncomfortable things he was not to forget.───玛丽认为，似乎有许多令人不适的事情，他是不会忘记的。
the forest, for example, there can be a number of very different microclimates close to each other, because of all the variables I just mentioned.───比如，森林里就有大量的相邻小气候区，其环境截然不同，这是因为刚刚我所提到的各种不同的可变因素。
Among them were said to be a number of Syrian security personnel.───其中包括几名叙利亚安全人员。
Interestingly, there also seem to be a number of highly underserved markets.───有趣的是还有很多远远没有饱和的市场。
Procedures, there would be a number of popup dialog box, used to illustrate the operation of the procedures.───程序运行过程中会弹出多个对话框，用于说明程序的运行情况。
Single-valued semaphore can only be one thread access, and multi-valued semaphore can be a number of threads available.───单值信号量只能被一个线程获得，而多值信号量可以被若干个线程获得。
This might be a number of hours, but this kind of data transmission fault errors, but rarely occur as expected this time arrived.───这可能是个数据传输毛病，但这种错误很少发作，而且这架并没有如估计时间抵达。
Butthere may be a number of other things one may find they must separatefrom as directed by the Word, the Spirit, and one's conscience.───但还有其它的事情一个人发现在神的道、圣灵或自己良心的指引下分别出来。
There will be a number of great citizens who won't win, but they will have tried -- and that's better than most of us ever do.───将会有一些非常出色的人无法取得胜利，但至少他们尝试过--这已经比我们大部分人强多了。
It was recognised that in the meantime there would be a number of informal meetings regarding the Partner-in-Residence.
Researchers said there may be a number of reasons for the association between FES and OSA.
There can be a number of different levels of explanation.
There will also be a number of analytic papers, some involving international comparisons.
There may be a number of reasons why urban population loss has moderated.
From the point of view of the school or college there could be a number of more or less tangible advantages.