导游小姐嫣然一笑，解释道：“这里发生过好几起事故，都是迷路的游客在毫无压力的情况下一不小心掉下去的。
The lady guide smiled and said, “There have been several accidents here in the past.Some tourist who got lost fell into the abyss without any pressure.
导游小姐嫣然一笑，解释道：“这里发生过好几起事故，都是迷路的游客在毫无压力的情况下一不小心掉下去的。”
The lady guide smiled and said, "There have been several accidents here in the past." Some tourist who got lost fell into the abyss without any pressure.
很久以后我才发现，原来早在事故发生前那架飞机的压力系统就存在着隐患。
Much later I found there had been problems with the pressure system on that aircraft before.
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