安全阀门座;安全阀座

英语听力文摘 English Digest 521、锚应该抛多远？

Anchors Away, Me Boysbut How Far? Anchors away, me boys but how far? On this moment of science.What happens if you throw your anchor overboard and there isnt enough chain to reach the bottom? Does the anchor haul you down with it? This sounds a littl

发表于:2018-12-31 / 阅读(101) / 评论(0)

英语听力文摘 English Digest

The Young Man at the Wheel

My infant daughter began crying as I drove home from the store, and since she was harnessed to her safety seat in the back, I couldn't console her. Stopping for a red light, I turned around and waved my hands, calling her name to distract her. I gave

发表于:2019-01-08 / 阅读(62) / 评论(0)

趣味英语

VOA慢速英语2012 SCIENCE IN THE NEWS - Safety Science: The Stories Behind Seat Belts and Bulletproof Clothing

SCIENCE IN THE NEWS - Safety Science: The Stories Behind Seat Belts and Bulletproof Clothing SHIRLEY GRIFFITH: This is SCIENCE IN THE NEWS, in VOA Special English. Im Shirley Griffith. BOB DOUGHTY: And Im Bob Doughty. Today we tell about two recent i

发表于:2019-01-12 / 阅读(48) / 评论(0)

2012年VOA慢速英语(三)月

Baby Car Seat Helps Save Babies' Lives in Accident

Around half of all injuries and deaths to children in China in car crashes could be prevented by using a child seat. [Photo: auto.sina.com.cn] The latest figures released by the Public Security Bureau shows that around half of all injuries and deaths

发表于:2019-01-19 / 阅读(30) / 评论(0)

世界各地新闻集锦

英国学生科学读本第35期:蒸汽往上冒(2)

There would soon be an explosion; the kettle would be burst open. It is in this way that boiler explosions are often caused. When there is too much steam in a boiler, and it cannot get out, it presses against the sides of the boiler, until at last th

发表于:2019-02-07 / 阅读(82) / 评论(0)

英国学生科学读本

【英语时差8,16】船锚与弱扣环-下

The navy has prepared for this by building what is called a weak link into their anchor chains. The weak link is the last link in the chain, and while its strong enough to hold together in general, its weak enough to break if the whole weight of the

发表于:2019-02-23 / 阅读(43) / 评论(0)

英语时差8，16

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anterior articular surface

antiquated

apo