When a bad weather low moves in, air pressure lessens and odors are released.

当低压移动，空压力减弱，味就被释放了。

Blame the bomb cyclone. Yep, that's right. Bomb cyclone is actually a real weather term.

这都是炸弹低压所致。是, 这是正确。这实际上是一种真正术语。

But the bomb cyclone shook things up and sent all that Arctic air south.

但炸弹低压改变了一切, 将所有北极空送往南方。

Tropical Storm Fred weakened to a depression overnight, as it heads for the U.S. mainland.

夜间，热带风暴“弗雷德”在向美大陆移动减弱为低压。

A deep depression is forming in the South Atlantic, moving north.

南大西洋正在形成一个低压，正向北移动。

The extreme weather started with a low-pressure system near the North Pole.

这次极端天起始于北极附近一个低压系。

Low air pressure and windy conditions were also linked to painful days.

低压和多风天也与疼痛日子有关。

Yagi, which is now downgraded to a tropical depression, has left 3 million people without power.

台风摩羯现已减弱为热带低压，导致300万人停电。

Alberto was downgraded to a tropical depression after it made a landfall in the Florida panhandle.

飓风阿尔贝托在佛罗里达狭长地带登陆后降级为热带低压。

A low pressure weather system has brought strong winds blowing from south to north across Northern Italy.

低压天系带来了从南到北横跨意大利北部强风。

" Bomb cyclones" start as low pressure weather systems, the lower the pressure, the more powerful the storm.

“炸弹旋”起初是一个低压天系，压越低，后面风暴越大。

A polar vortex is a cold, thick low pressure system. The air turns counter-clockwise when on the move.

极地涡旋是一种寒冷而强烈低压系，流按照逆针方向运动。

But now downgraded to a tropical depression, it threatens to add more inches of rain to the area.

但现在该风暴已降级为热带低压，这可能会给该地区带来更多降雨。

By Sunday, the storm had weakened to a tropical depression, a storm below the level of a typhoon.

到周日，风暴已减弱为热带低压，低于台风级别。

It formed as a tropical depression, strengthened to a tropical storm and made landfall all on the same day.

伊美达初始是热带低压，进而增强为热带风暴，其后在同一天登陆。

The warm, humid air above the water surface rises up, creating a low air pressure zone in its wake.

水面上温暖潮湿空上升，在它尾流中形成一个低压区。

By tomorrow morning, the fast moving storm is expected to be well inland over Nevada as a tropical depression.

截止明天早上，这场快速移动风暴预计将以热带低压形式进入内华达州内陆。

The weather is constantly in flux. A low pressure system allows moist air to rise, cool and form rain clouds.

天是变幻无常。低压系使潮湿空上升，冷凝，形成降雨云。

It's an area of low pressure around the Artic Circle that's locked in place and houses some very cold air.

这是北极圈周围一个低压区域，这个区域被锁定在某个地方，并且容纳了一些非常冷空。

We're under the influence of a low-pressure and this weather front pushing northwards is bringing clouds and outbreaks of rain.

低压正在影响著我们。而且这个向北方推进锋面带来了云和阵雨。