safety

?? 發(fā)布時(shí)間：2026-04-18 01:57:54

英 ['se?ft?] 美['sefti]

反義詞

CET6CET4TEM4考研中高頻詞基本詞匯

safety 安全

safe,安全的，-ty,名詞后綴。

safety (n.): early 14c., from Old French sauvete "safety, safeguard; salvation; security, surety," earlier salvetet (11c., Modern French sauveté), from Medieval Latin salvitatem (nominative salvitas) "safety," from Latin salvus (see safe (adj.)). Meaning "trigger-lock on a gun" is attested from 1881.

As a North American football position, first recorded 1931. As a type of score against one's own team, 1881. Safety-valve, which diminishes the risk of explosion, is from 1797; figurative sense recorded from 1818. Safety-net in literal sense (in machinery) by 1916, later of aerial circus performances (1920s); figurative use by 1950. Safety-first as an accident-prevention slogan first recorded 1873.

2. The built-in safety device compensates for a fall in water pressure.: 該內(nèi)置式安全裝置在水壓下降時(shí)能提供保護(hù)。

3. The five survivors eventually reached safety, ragged, half-starved and exhausted.: 5位幸存者最終到達(dá)安全之地時(shí)已經(jīng)衣衫襤褸、饑腸轆轆、精疲力盡。

4. Despite its demonstrable speed and safety, the boat failed to become popular.: 雖然其速度和安全性都可得到證明，但這種船還是不受歡迎。

5. Contact the health and safety rep at your union.: 與你所在工會(huì)的健康安全代表聯(lián)系。

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