at t present的意思|示意

I am sorry, we don "t know the extent of the delay at present."

很抱歉，我们现在也不知道会延误多久。

Cataract is the No. 1 eye disease in China at present t which causes blindness and has now been listed as the head of China's three recovered objects.

白内障是我国目前致盲率第一眼病，该病目前已被列为我国三项康复对象之首。

At present the cause of the SAA research focus mainly concentrated in the abnormal t cell subsets, a negative regulator of level changes and apoptosis, are reviewed on research in these areas.

目前对saa病因的研究热点主要集中在t细胞亚群的异常、负性调控因子水平的改变、细胞凋亡等，现就这些方面的研究进行综述。

At present, China's overseas oil pipeline total length of 5000 km is also great. t present, China mainly relies on imported, domestic and foreign market is very broad.

目前，中国石油在海外的管道总里程也达5000千米。目前我国主要靠进口，国内、外市场非常广阔。

It's unclear at present what T. rex's exact sprinting speed was, but Persons believes this fleet footed dinosaur could run down all other animals in its ecosystem.

目前，关于霸王龙行进的速度问题尚没有一个确切的答案，但是，Persons却坚信，霸王龙的脚力在其生态体系中是首屈一指的。

Don "t peek at your New Year present."

别偷看你的新年礼物。