He had shown himself careless of personal safety where the life of his colleagues might be at risk.
他在同事们有生命危险时表现出不顾个人安危之举。
In Europe, it is undoubtedly the mountain ecosystem which has changed most rapidly and is most at risk.
在欧洲，变化最快、风险最大的无疑是山地生态系统。
Fish and other creatures are thought unlikely to be at risk from the relatively slow-turning blades.
人们认为，旋转相对较慢的叶片不太可能对鱼类和其他生物造成威胁。
When Mr. Reeder got the certificate, a reporter said, "This was a very brave act, as he put his own life at risk."
当里德拿到证书时，一名记者说：“这是非常勇敢的行为，因为他把自己的生命置于危险之中。”
Sea turtles, polar bears and giant pandas are just some of the thousands of animals in this world that are at risk of extinction.
海龟、北极熊和大熊猫只是世界上成千上万濒临灭绝的动物中的一部分。
Parents are reluctant to subject children to the pain of injections, but adults, who are at risk of serious complications from influenza, are commonly vaccinated.
父母不愿让孩子承受注射的痛苦，但成人由于有可能出现流感严重并发症，普遍会接种疫苗。
It isn't worth saving a few minutes to put yourself at risk.
为了节省几分钟而把自己置身危险之中是不值得的。
Let me drink my wine in peace; I'm not putting anyone at risk.
让我安心享用美酒；我不会给任何人带去危险。
Approximately half of the world's population is at risk of malaria.
全球近半人口面临疟疾风险。
Other species at risk include the red throated diver, golden plover and merlin.
危及到的物种还包括红喉潜鸟（red throateddiver）、金斑鸻（golden plover）及灰背隼（merlin）。
We are forever grateful to all those who put themselves at risk to keep us safe.
对于他们冒着生命危险保护我们的安全，我们要永远心存感激。
'Women are more at risk because they tend to be more in tune to other people's feelings.'
女性遭遇‘二手压力’的风险更大，因为她们更能对他人的感受产生共鸣。
Whether or not you're at risk for a heart attack, you should probably try to quit smoking.
无论你是否有心脏病的危险，你都应该戒烟。
As long as a single child remains infected, children in all countries are at risk of contracting polio.
只要还有一名儿童感染有脊灰病毒，所有国家的儿童就仍有感染该疾病的危险。
And five years ago, 34 percent of our projects were at risk. Today that figure is down to 15 percent.
五年前，我们有34%的项目属于风险项目，如今这一比例降到15%。
They also need to think ahead by tracking prices, as well as volumes, of all wildlife species at risk.
他们还要未雨绸缪，关注濒危野生物种交易价格和数量。
Standard &Poor’s warned Asian countries that their sovereign-debt ratings were at risk of being downgraded.
标准普尔警告说，亚洲国家的主权债务评级可能面临被下调的风险。
He and his colleagues evaluated a new method for rapidly and accurately detecting animals at risk of infection.
他和同事们评估了一种迅速而精确检测面临感染危险的动物的新方法。
Conference participants argued that poor countries remain especially at risk to the effects of global warming.
与会人士认为，贫穷国家特别容易受到全球气候变暖后果的影响。
Dasgupta's game theory suggested that even a successful, co-operative society is always at risk of breaking down.
达斯古普塔的博弈论表明，即使是一个成功的合作社会也往往存在崩溃的可能性。
The analysis of 64 species of ocean sharks and rays found 32 percent are at risk, including the great white shark.
对海洋中64种鲨鱼和鳐鱼进行分析发现32%处于危险当中，其中包括大白鲨。
As long as a single child remains infected with polio, children in all countries are at risk of contracting the disease.
只要还有一名儿童感染有脊髓灰质炎，所有国家的儿童就仍有感染该疾病的危险。
However, when safety control practices are not respected, severe infections can result, putting human lives at risk.
然而，如果安全控制规范未得到遵守，就可能造成严重感染，从而危及人的生命。
However, when safety control practices are not respected, severe infections can result, putting human lives at risk.
然而，如果安全控制规范未得到遵守，就可能造成严重感染，从而危及人的生命。
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