An extreme heat warning is in effect until at least Sunday.

极端高温警报至少要持续到周日。

In the south, two tornado watches are in effect.

在南部，两个龙卷风观测站已经启动。

The order will be in effect through Dec.31 2020.

该命令将于2020年12月19日生效。

So commuters are, in effect, subsidised.

所以可以说，通勤者得到了补助。

Each bit of debris was, in effect, a tiny ecosystem.

确切地说，每块碎片是一个小型的生态系统。

Storm warnings are in effect for much of the region.

许多地区都收到了暴风雪警告。

So it's not clear which law is in effect there.

目前还不清楚哪条法律有效。

This male line succession has been in effect for more than 2,000 years.

这一男性继承已经有2，000多年的历史了。

Looking for life on Mars is, in effect, looking for our own origins.

在火星上寻找生命，实际上就是寻找我们自己的起源。

Flood warnings are in effect for states including Wisconsin, Illinois, Ohio, Texas, and Louisiana.

威斯康辛州、伊利诺斯州、俄亥俄州、德克萨斯州和路易斯安那州等州洪水警报仍然持续。

Where no strict mandates are in effect.

在那里严格的规定并没有生效。

So that's just one way to tell if an El Nino is in effect.

因此，这只是判断厄尔尼诺现象是否发生的一种方法。

However, rationing is still set to be in effect in parts of New York City.

但是，在纽约的部分地区也实施了订量配送汽油。

A heat warning is in effect for most of Western Canada.

加拿大西部大部分地区都发出了高温警告。

The new notes are in effect the country's third currency in the past three years.

新发行的纸币其实是该国过去三年来的第三种货币。

Riot police have now secured the capital and a curfew is, in effect, in Washington, DC.

防暴警察现在已经确保了首都的安全，华盛顿特区已实行了宵禁。

He said hospitals in his city were nearly full and an emergency declaration was in effect.

他说，他所在城市的医院几乎人满为患，紧急声明已经生效。

A DHS official said the measures are in effect for migrants from all over the world.

国土安全部一名官员表示，这些措施对来自世界各地的移民有效。

To follow plastic bag, ban has already been in effect in major cities like Los Angeles.

像洛杉矶这样的大城市已经开始实施禁止塑料袋的规定。

Such a new beginning would in effect be the end of humanity as we know it.

这样一个新的开始实际上将是我们所知的人类的终结。