Additional food samples are currently being analysed to identify any potential secondary source of exposure.
目前还在对其它食物样本进行分析，以确定是否存在任何潜在的其它接触源。
Dean: I see the food vendors are pretty generous with their samples.
迪安：我看这些卖小吃的小贩们很大方地让大家品尝他们的样品。
Dean: I see the food vendors are pretty generous with their samples.
迪安：我看这些卖小吃的小贩们很大方地让大家品尝他们的样品。
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