at present基本解释
目前，现在；时下；现下；此时

例句：
At present there are no such repositories in operation anywhere .
可如今哪里都没有这种可以运作的储藏室了。

At present the most effective is economic .
目前最有效的方法是经济制裁。

Companies at present nominate their own directors .
目前，各公司的董事由公司自己提名。

It is a hot topic at present .
这是现在大家热议的题目。

At present it leans mildly republican .
现在，这里微微地倾向于共和党。

At present chinese innovation is a mixed bag .
然而现在中国的创新市场上良莠不齐。

None of these conditions prevail at present .
目前上述条件没有任何一条达到。