hazard是什么意思,hazard中文翻译,hazard语法用法 ... at hazard在危急中;随便地 occupational hazard职业?职业危险 geologic hazard地质灾害 ...
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所以，除非你是名自由记者，那是最危险的职业之一，你极有可能没有想到自由职业会给你带来损伤。
So unless you're a freelance journalist, which is one of the most hazardous occupations, you probably don't think freelancing could cause you harm.
硫化氢泄露、甲烷爆炸、煤矿坍塌，天呢，太危险了！煤矿开采是一种古老的职业，有史以来，就一直被认为是风险极高的职业。
Hydrogen sulfide leaks, methane explosions, mine-stope collapses, oh my! Coal mining is an ancient profession, and has been recognized as wildly risky since the very start.
介绍了职业暴露的研究简史、概念及职业危险因素。
It introduced the research history, concept and occupational risk factors of vocational exposure.
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