Local health authorities found the positive results during routine nucleic acid testing for airport staff.

卫生部门在对机场工作人员进行常规核酸检测时发现阳性检测结果。

Two. The game allows unlimited substitutions from the bench during stoppages and play.

二，比赛进行和暂停时，可以进行不限次数的换人。

And we placed infrasonic microphones around the elephants as we did these experiments.

在进行这些实验时，我们把次声传声器放置在大象周围。

As the party went on, you could hear the mirth coming from the house.

聚会进行时，你能听到屋里传出来的欢声笑语。

The app logs the energy drain of the phone's apps and activities as they happen.

这款应用程序能够记手机应用及进行其他活动时的电量消耗状况。

You want us to abandon him mid-trial?

你想我们在庭审进行到一半时抛弃他吗？

President Donald Trump has yet to authorize access as he contests the election results.

特朗普总统在对选举结果进行辩论时并未就此授权。

It's fine to be collaborative when seeking input.

在寻求资源的输入时，进行协作是没有问题的。

In addition, participants had blood tests at the start and finish of each new diet.

此外，参试者在每种新饮食的开始和结束时进行血液测试。

Today we are looking at the present perfect, and the present perfect continuous.

今天，我们要习现在完成时和现在完成进行时。

When I was making my medical training, I saw many people sleeping at the hospitals.

我进行医训练时，我看到许多人在医院里睡觉。

When the Senate impeaches and removes a president, they're undoing the votes of millions.

而参议院对一位总统进行弹劾罢免时，他们在消弭数百万选票的作用。

So the site management, normally based onshore is actually based offshore at the moment.

因此通常基于岸上的站点管理实际上是在离岸时进行的。

And what they were willing to do called for innovation in the face of fire.

他们愿意做的是应对火灾时进行创新。

Knowing about them now gives doctors something else to monitor when people leave our atmosphere.

现在，了解了这些信息，医生们就可以在人们离开大气层时进行监测。

And the system was still threatening Americans when we produced this show.

截止节目进行时，该场风暴仍在威胁着美国人民。

Parks and Recreation workers found the massive fish while doing a survey of the lake.

公园和娱乐场所工作人员在对湖进行调查时发现了这条巨大的鱼。

Right here, " I have been wearing" present perfect continuous, great tense.

这里，“I have been wearing”，现在完成进行时，很好的时态。

When you're video calling, the camera will pan to you in frame and widen.

你进行视频通话时，摄像头会在画面中平移并加宽。

And when we do measure, we are reduced to relying on estimations and conversion factors.

而我们进行测量时，我们只能根据估计值与转换因子。