The weather balloon ascended into the stratosphere.

气象气球上升到了平流层。

The weather balloon reached stratospheric heights.

气象气球达到了平流层的高度。

The scientist launches a weather balloon to collect data.

科学家发射气象气球以收集数据。

It may not be a weather balloon.

可能不是气象气球.

According to the weather balloon data, a big storm will reach the East coast next Monday.

根据气象气球收集的数据, 下周一东海岸将有一场暴风雨.

This weather balloon will mostly measure temperature, air pressure, and wind speed, but others sample the air for the concentration of various gases like carbon dioxide and oxygen.

气象气球主要是用来测定温度，气压和风速的，另外它还能够测出空气中很多种气体的含量，例如二氧化碳和氧气等。

Many people came to watch the weather balloon go up.

许多人都来看天气探测气球升空。

They may have seen a weather balloon, a satellite, a meteor or something.

他们看到的可能是气象探测气球 、 地球卫星 、 流星或是其他东西.