a rocket signal 火箭信号
Any motorist driving along a country road at night must stop every mile and send up a rocket signal, wait 10 minutes for the road to be cleared of livestock, and continue.
任何在晚上沿著乡间道路开车的驾驶人，每英里就要停下车来施放火箭信号、等待10分钟让路上的家畜被清空后继续驾车前进。
The signal to the rocket going into space went wrong, and as a result it exploded and fell into the sea.
发射火箭进入太空的信号出了差错，结果火箭爆炸掉入了大海。
The signal to the rocket going into space went wrong, and as a result it exploded and fell into the sea.
发射火箭进入太空的信号出了差错， 结果火箭爆炸掉入了大 海。
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