词典释义：
[mass noun] the condition of being protected from or unlikely to cause danger, risk, or injury
安全
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they should leave for their own safety 为了他们自身的安全他们应该离开
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the survivors were airlifted to safety .幸存者被空运到安全的地方。
[as modifier]denoting something designed to prevent injury or damage
安全的；保护的，防护的
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a safety barrier 防护栅栏
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a safety helmet .安全帽。
[count noun]
〈北美〉 <Bold>SAFETY CATCH</Bold>的简称。
[count noun]
〈美，非正式〉 阴茎套，安全套。
【美橄】 安全队员。
a play in which the ball is downed by the offence in their own end zone, scoring two points to the defence
安全（进攻方使传球在球门区成为死球，防守方得２分）。
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safety first used to advise caution 安全第一 -
there's safety in numbers proverb being in a group of people makes you feel more confident or secure about taking action 〈谚〉 人多保险；人多势众
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a sense of safety 安全感；安全意识
真题例句：
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safety standards/tips 安全标准/安全提示
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road/food safety 道路安全/食品安全
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public safety 公共安全
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safety comes first 安全第一
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safety problem 安全问题
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"Middle English： from Old French
