Today, anesthesiologists often combine regional, inhalational and intravenous agents to get the right balance for a surgery.

今天，麻醉师经常结合局部、吸入和静脉注射药物来获得手术的正确平衡。

Now, these solvents are known to be safe for edible use, so for use in products that you eat, but we know very little about their safety following long-term inhalational exposure.

现在，已知这些溶剂可安全食用，因此可用于您食用的产品， 但我们对长期吸入接触后的安全性知之甚少。