Retain newline. A non-negative size argument limits the maximum number of bytes to return (an incomplete line may be returned then). Return an empty string at EOF.

读取文件的一行，保留换行符，到文件末尾返回空串。

youdao

The role of gravity and centrifugal force, the direction of each other the contrary, in mathematics can be described as positive and negative size of the two forces.

引力与离心力作用方向互为相反，在数学中可以描述为正，负大小的两个力。

youdao

As analysis removes words before indexing, it decreases index size, but it can have a negative effect on precision query processing.

因为分析在编制索引之前移除单词，它减少了索引的大小，但是不利用精确的查询过程。

youdao

If we think of the size of a typical atom, we would say that would be about 10 to the negative 10 meters. So, we can see the diameter of a nucleus is absolutely smaller really concentrating that mass into a very small space.

一个普通细胞的大小，抱歉，我和细胞核搞混了0,如果我们考虑，一个普通原子的大小,这大概是10的负十次方米,所以原子核的直径确实非常小,真的是把质量。

麻省理工公开课 - 化学原理课程节选

High social transfers might well be the negative link from government size to growth in Europe.

FORBES: Data in New World Bank Report Shows that Large Public Sectors Reduce Economic Growth

Still, we view the deal as an overall negative, given its size and the potential risks of integration.

FORBES: Microsoft: With Skype, A Good Use For The Giant Overseas Cash Pile

There was still a negative correlation between the size of the national debt and GDP growth, but there was no implied causal relationship or sudden change at 90 percent.

FORBES: Narrow focus on debt and deficits distracts us from the primary problems