They might have seen a weather balloon or an aircraft.
他们可能看到了气象气球或飞机。
It may not be a weather balloon.
可能不是气象气球。
那是气象气球吗？
那是气象气球吗？
Raise the weather balloon and await evacuation.
到气象气球处等候撤退。
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。
A small balloon was sent up first to check the weather.
先发射一只小气球以检测天气。
A small balloon was sent up first to check the weather.
先发射一只小气球以检测天气。
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