We have to know who is on site at all times.

我们必须知道所有时间里都有哪些人在这。

The first of 30,000 volunteers received dosages at sites around the U.S.

三万名志愿者中的第一批在美国各地接受了药物治疗。

I tried to get them tested at sites that were booked for days.

多天来，我一直努力想让他们到预约地点进行化验。

Muller and his team recorded wildlife sounds at sites in Ecuador's Choco area.

穆勒和他的团队在厄瓜多尔乔科地区的地点记录了野生动物的声音。

The North's Kim Jong-un agreed to close the site at a historic summit last Friday.

上周五在峰会上，朝鲜领导人金正恩同意关闭基地，此次峰会具有历史意义。

It’s like a warning tool that tells you at site, yes the water is safe or not.

就像一个警报器一样，它会当场告诉你水质安全与否。

These immune complexes can travel through the bloodstream where they get trapped at sites of filtration, like the kidney.

这些免疫复合物可以通过血液循环，直到卡在某个地方，比如像肾这样的滤过场所。

They can be used at site and it gives a very fast response so we are talking about seconds.

它们可以当场使用，而且可以做出很迅速的反应，我们在说的以秒为单位。

His comments come after Russia launched more than 80 missiles at sites across the country on Monday, killing 19.

在他发表上述言论之前，俄罗斯周一向乌克兰全国各地发射了80多枚导弹，造成19人死亡。

Many were left at sites known as The Cambodian Killing Fields.

许多人被留在被称为柬埔寨杀戮场的地方。

And we've seen looting at sites so rampant, it looks like craters of the moon.

我们已经看到在如此猖獗的地方抢劫，它看起来像月球的陨石坑。

So I've been getting on planes again and looking at sites and looking at opportunities.

所以我一直在再次登上飞机，查看网站并寻找机会。

Basophils take up alkaline dyes; their main function is to release histamines and heparin at sites of injury.

嗜碱性粒细胞吸收碱性染料;它们的主要功能是在损伤部位释放组胺和肝素。

And I photographed all of the wrongfully convicted at sites that came to particular significance in the history of their wrongful conviction.

我为所有这些被误判的人们，在他们被误判的历史中十分重要的地方拍了照片。

President Trump will visit the sites of two mass shootings in Ohio and Texas at the weekend, which left thirty one people dead.

特朗普总统将于周末访问德克萨斯州和俄亥俄州的两处大规模枪击案现场，该枪击案造成31人死亡。

Since most of the work would be done on site at her client's office, she didn't need a lot of office space.

由于大部分工作将在她客户的办公室现场完成，因此她不需要太多的办公空间。

The first fossils of Paraceratherium were found in 1846 in what is now Pakistan, and more fragments were soon found at sites across Asia.

1846 年在现在的巴基斯坦发现了第一个 Paraceratherium 化石，并且很快在亚洲各地的地点发现了更多碎片。

They collected data from 123 papers published over the past half-century that estimated parasite abundance in various species at sites all over the world between 1967 and 2017.

他们从过去半个世纪发表的 123 篇论文中收集了数据，这些论文估计了 1967 年至 2017 年间世界各地不同物种的寄生虫丰度。

The first is skin, eye, or mucous membrane infection, where lesions pop up 1-2 weeks after delivery typically at sites of damaged skin like the site where fetal scalp electrodes may have been attached.

第一种是皮肤、眼睛或者粘膜的感染，通常发生在分娩的1-2周后，造成受损部位的皮肤病变，比如胎儿头皮电极曾附着的地方。