远程定向声波发射器（Long Range Acoustic Device）发出的噪音像光线一样，进入指定人的耳朵中，然而它并不致命。

The noise from the LRAD is directed like a ray of light and travels only into the ears of that person, but it is not deadly.

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而且他所受的伤并不致命。

His wounds were not life-threatening.

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这一病毒会导致发热和关节痛，但是通常并不致命。

The virus causes fever and joint pain but is not usually fatal.

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And it turned out that another, not quite as deadly, but still very serious disease called syphilis was also common in this part of the world at that time.

现在已知另外一种疾病,它并不完全致命但也很严重,它叫梅毒,在那时的一些地方也很常见

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