半复消色差透镜;近复消色差透镜

【突破英文词汇】bi--two semi--half

1. bicentennial /ˈbaisenˈtenjəl/ -- two hundredth anniversary The bicentennial of George Washington's birth was celebrated in 1932. 乔治华盛顿200周年生日纪念于1932年举行。 2. semicircle /ˈsemɪˌsɜ:kəl/ -- half of a circle At th

发表于:2018-12-30 / 阅读(61) / 评论(0)

突破英文词汇

VOA标准英语2010年-Pope Apoligizes for 'Generations' of S

Pope Benedict XVI waves to faithful during his weekly general audience at St. Peter's square at The Vatican, 17 Mar 2010 Pope Benedict has written to Catholics in Ireland to apologize for the sexual abuses carried out by the clergy in that country ov

发表于:2019-01-13 / 阅读(61) / 评论(0)

VOA标准英语2010年(三月)

新西兰英语 628 Stars over Tekapo

Tekapo is a special place. This small town has a big observatory at Mount John, 1000m above the town. It has six telescopes including New Zealands biggest telescope with a diameter of 1.8m, built with Japanese money. The observatory is operated by th

发表于:2019-01-27 / 阅读(48) / 评论(0)

新西兰英语

VOA标准英语2010-NASA Celebrates 40th Anniversary of Apoll

In April 1970, Apollo 13 was scheduled to land on the moon in NASA's bid to further explore the lunar surface. Instead, an in-flight explosion rocked the spacecraft, preventing astronauts Jim Lovell, Jack Swigert, and Fred Haise from landing on the m

发表于:2019-02-06 / 阅读(48) / 评论(0)

VOA标准英语2010年(四)月

Napoli beat Chelsea 3-1 at home

ROME, Feb. 21 (Xinhua) -- Napoli proved unstoppable at home in the Champions League when they beat Chelsea 3-1 at home in the first leg of the final 16 tie on Tuesday. Chelsea took the lead in the 27th minute through Juan Mata, and then Napoli respon

发表于:2019-02-07 / 阅读(48) / 评论(0)

英语新闻

VOA标准英语2010年-30-year-old Pakistani American Charged

U.S. authorities have charged a Pakistani-born U.S. citizen with terrorism related charges in connection to the failed Times Square bombing. Thirty-year-old Faisal Shahzad was charged Tuesday in a five-count complaint, one day after he was arrested w

发表于:2019-02-09 / 阅读(74) / 评论(0)

VOA标准英语2010年(五)月

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学英语单词

accessory organs of eye

adraw

Agmar

agricultural advisory office

alternaria macrospora zimm

aluminum bar

Anaphalis szechuanensis