Consistently hot weather can interfere with the body's ability to regulate its temperature. For most healthy adults and children, as long as they drink plenty of water and avoid baking in the midday sun, it shouldn't pose a problem. But for the elderly, very young, and those with chronic medical conditions, risks are potentially significant.
持續性炎熱的氣候會影響到人體對自身體溫的調節。對大多數健康的成人和兒童來說，保持充足的飲水和避免中午的太陽，就不會影響到健康。可是對老人，嬰兒和長期患病的人， 酷熱對身體健康的危險將大大增加。
Youths enjoy a swim to cool off in a water channel in Amritsar; Northern India has been facing heat wave conditions in the last few weeks. Photo: Narinder Nanu.
To face head-on 勇敢面對
當我們 face (something) head-on 的時候，也就是說我們勇敢面對并處理碰到的問題或困難。
今日小常識
例句
Shopkeepers are so concerned about the high crime rate in their area that they're putting commercial issues aside and getting together to tackle the problem head-on.
John was blind from childhood but his parents have always been proud of him. He's always been used to confronting his disabilities face-on.
Youth unemployment will continue to rise till the government decides to face the chronic lack of good schools head-on.
請注意
如果你 keep your head down, 那么就是說表現很低調，避免引起他人的注意力。
Joan's boss is in a foul mood today and she's been avoiding trouble by keeping her head down.
