在职业环境中受到感染的主要原因是皮肤上的伤口(如由针，医疗器械，或叮咬而造成的皮肤破损)接触了被HIV病毒污染的血液。

The main cause of infection in occupational Settings is exposure to HIV-infected blood via a percutaneous injury (i.e. from needles, instruments, bites which break the skin, etc.).

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如果伤口受到感染，这种感染可能蔓延，从一个龙虾到明年，造成不必要的收缩。

If the wound became infected, the infection could spread from one lobster to the next, resulting in unnecessary shrinkage.

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尘土会使敞露的伤口受到感染。

Dirt infected an open cut.

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