I know they have said that, you know, after we declared our surge policy that they will send more troops.

我知道他们说过，我们宣布增兵计划后,他们会派来更多的士兵。

普林斯顿公开课 - 国际座谈会课程节选

I'm a sophomore but I haven't declared yet so,

我今年大二，但是还没有选择专业，

想学习宗教学 - SpeakingMax英语口语达人

It's a common mistake to make if you forget that I've actually declared that variable up top, but wait a minute, I know any time that I use a variable, I have to declare it.

这是一个通常犯的错误，如果你忘了,之前在前面已经声明了这个变量，等等，我知道在任何时候,我使用一个变量，我必须声明它。

哈佛公开课 - 计算机科学课程节选

> David: At some point in time, I'm going to have to have declared the variable as a float before I can then hand it to printf as the insertion value for that format strength.

>，大卫：在一个特定的时间，我将需要,声明float类型这样的变量,那样我就可以把它打印出来,像是格式化优点的插入值。

哈佛公开课 - 计算机科学课程节选

It makes sense to me logically that I want to see it first when I open the file; so I scroll on down but only later is increment declared.

这个逻辑上对我是有意义的，打开文件的时候,我想先看到它，所以我向下翻,之后才声明increment函数。

哈佛公开课 - 计算机科学课程节选

- Well -- and I'll fix this blue next time -- I'm first telling the compiler I need access to the standard io library because printf is declared there.

哦！--下次我把这个字体颜色改成蓝色的-,我先告诉编译器--我需要使用,标准输入输出库,因为printf在那个库里面申明的。

哈佛公开课 - 计算机科学课程节选

Right. So main calls foo, foo is declared, but wait a minute, void foo void I need my prototype; so void foo, void.

对，main调用foo，foo被声明了，但是等一等，我需要我的原型，所以。

哈佛公开课 - 计算机科学课程节选

int main I have declared main as, int main, as before.

我之前声明了main函数。

哈佛公开课 - 计算机科学课程节选