At 50 °C, the pain reflex makes people pull away automatically in less than a second.
At 50 °C, the pain reflex makes people pull away automatically in less than a second.
摄氏50℃时，疼痛的自然反射使人能在不到1秒钟内自动离开。
At 50 °C, the pain reflex makes people pull away automatically in less than a second.
摄氏50℃时，疼痛的自然反射使人能在不到1秒钟内自动离开。