An aircraft, for example, flying supersonic at 50,000 feet can produce a sonic boom cone about 50 miles wide.

例如，一架50,000英尺高处的超音速飞机可以制造出50英里左右宽的音爆圆锥。

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An aircraft, for example, flying supersonic at 50,000 feet can produce a sonic boom cone about 50 miles wide.

例如，一架50,000英尺高处的超音速飞机可以制造出50英里左右宽的音爆圆锥。

youdao