如果需要，你可以使用非处方的止疼药，比如退热净，直到受伤部位的疼痛可以忍受为止。

If needed, you can use an over-the-counter pain reliever like acetaminophen until the pain is tolerable.

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用时将本品加入喷壶中，直接喷洒在清洁部位上，约20 - 30秒后，用湿布、海绵或软刷擦拭，最后用干布抹净即可。

Spray it on the surface to be cleaned, wait for 20 or 30 seconds, and then rub the surface with wet cloth, sponge or soft brush. Dry it up with a dry cloth in the end.

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