The former refers to a situation when the body is placed in a hot and humid environment, causing excessive perspiration and loss of electrolytes. Symptoms of slight shock may appear, including dizziness, headaches, general weakness, nausea, and sometimes muscle spasms, mainly the result of body salt distribution disorders.
「熱衰竭」指的是人體在濕熱的環境裡，因大量排汗及流失電解質，而產生的輕微休克症狀，表現為暈眩、頭痛、全身衰弱、噁心等，有時還會因為體內鹽分分配失調而出現局部肌肉痙攣現象。