91久久_四虎av在线_欧美成a_www.日韩精品.com_婷婷色5月_精品久久99

safety

英 ['se?ft?] 美['sefti]
  • n. 安全;保險;安全設備;保險裝置;安打

CET6CET4TEM4考研中高頻詞基本詞匯

中文詞源


safety 安全

safe,安全的,-ty,名詞后綴。

英文詞源


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.

雙語例句


1. They offer tips on topics such as home safety.
他們就家居安全等問題提供建議。

來自柯林斯例句

2. The built-in safety device compensates for a fall in water pressure.
該內置式安全裝置在水壓下降時能提供保護。

來自柯林斯例句

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

來自柯林斯例句

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。

來自柯林斯例句

5. Contact the health and safety rep at your union.
與你所在工會的健康安全代表聯系。

來自柯林斯例句

主站蜘蛛池模板: 国产一二三在线 | 国产一区 | 日韩欧美在线观看一区二区三区 | 欧美精品在线视频 | 99久久99热这里只有精品 | 一区二区中文字幕 | 日韩一区二区久久 | 亚洲高清免费 | 亚洲综合在 | 国产黄色免费网站 | 99久久久国产精品 | 日韩一区二区在线免费观看 | 欧日韩不卡在线视频 | 91久久精品国产91久久性色tv | 国产精品免费看 | 欧美成人精品一区二区 | 激情欧美一区二区三区中文字幕 | 无码少妇一区二区三区 | 国产三区在线观看视频 | 久久国产精品免费一区二区三区 | 欧美中文在线 | 91精彩视频在线观看 | 国产精品福利在线观看 | 亚洲精品一二区 | 亚洲中字幕| 一本一生久久a久久精品综合蜜 | 91久久久久 | 国产成人免费视频网站视频社区 | 91视频免费网站 | 欧美视频在线观看一区 | 一级毛片视频 | 午夜视频在线观看网站 | 国产精品久久久久久久久久免费 | 日韩一区二区三区视频在线观看 | 一级毛片观看 | 婷婷成人免费视频 | 中文字幕色婷婷在线视频 | 国产精品午夜电影 | 日韩中文字幕无码一区二区三区 | 亚洲欧洲在线观看 | 91精彩刺激对白露脸偷拍 |