她在跑步时大量出汗。

She sweat a lot while running.

跑了一小时后，我开始大量出汗。

After running for an hour, I began to perspire heavily.

所以我们进化出了大量出汗的能力，并失去了大部分的皮毛。

So we evolved the ability to sweat plentifully and lost most of our fur.

出汗可以使身体降温，但如果天气过热，大量出汗就会失去过多水分和盐而导致炎热状态下的浑身无力。

The body cools by sweating, but if the weather's very hot, you risk losing too much fluid and salt and getting heat exhaustion.

出汗可以使身体降温，但如果天气过热，大量出汗就会失去过多水分和盐而导致炎热状态下的浑身无力。

The body cools by sweating, but if the weather's very hot, you risk losing too much fluid and salt and getting heat exhaustion .

衣物只需保温至高出15-20度，这样既可以保证你的体温正常上升，又可以减少过热和大量出汗的风险。

Dressing for 15-20 degrees warmer than it is will allow for your body temperature to increase and reduce the risk of overheating and excessive sweat.

衣物只需保温至高出15-20度，这样既可以保证你的体温正常上升，又可以减少过热和大量出汗的风险。

Dressing for 15-20degrees warmer than it is will allow for your body temperature to increase and reduce the risk of overheating and excessive sweat.