safety

safety
(pl. -ies)

[mass noun]the condition of being protected from or unlikely to cause danger, risk, or injury
安全
they should leave for their own safety.
为了他们自己的安全他们必须离开。
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
a safety barrier.
防护栅栏。
a safety helmet.
安全帽。
■[count noun](N. Amer.). short for safety catch
(北美)。 safety catch 的简称
■[count noun](US informal)a condom
(美，非正式)阴茎套，安全套
(American Football)a defensive back who plays in a deep position
(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）

常用词组
safety first

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

语源

Middle English: from Old French sauvete, from medieval Latin salvitas, from Latin salvus 'safe'

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