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

当低气压移动，空气的压力减弱，气味就被释放了。

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

这都是炸弹低气压所致。是的, 这是正确的。这实际上是一种真正的气象术语。

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

但炸弹低气压改变了一切, 将所有北极空气送往南方。

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”在向美国大陆移动减弱为低气压。

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

南大西洋正在形成一个低气压，正向北移动。

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

这次极端天气起始于北极附近一个低气压系统。

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

低气压和多风的天气也与疼痛的日子有关。

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气压，导致300万人停电。

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

飓风托在佛罗里达的狭长地带登陆后降为热带低气压。

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

低气压天气系统带来了从南到北横跨意大利北部的强风。

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

“炸弹气旋”起初是一个低气压天气系统，气压越低，后面的风暴越大。

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的低气压系统，气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.

但现在该风暴已降为热带低气压，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气压，低于台风别。

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气压，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.

水面上温暖潮湿的空气上升，在它的尾流中形成一个低气压区。

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，这场快速移动的风暴预计将以热带低气压的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.

天气是变幻无常的。低气压系统使潮湿的空气上升，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.

这是北极圈周围的一个低气压区域，这个区域被锁定在某个地方，并且容纳了一些非常冷的空气。

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

低气压正在影响著我们。而且这个向北方推进的锋面带来了云和阵雨。