因为许多化学品都是有毒的，当它们被接触到皮肤的时候会引发皮疹、灼伤甚至更糟。
Because many of the chemicals can be toxic when they touch the skin, leaving rashes, burns, and worse.
能确定出导致灼伤的化学品的属性，会有助于后续治疗。
If you can determine the nature of the chemical that caused the burn, it will be helpful in determining the followup treatment.
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