音标：['prәutә,stɑ:] ；

n. [天]原恒星

词型变化：名词复数形式 : protostars

词性分布：

名词100%

protostar的用法和样例：

例句

用作名词(n.)

Thus, the infant science of protostar observation has a variety of tools at its disposal.这样一来，观测原恒星这门年轻的科学，就拥有许多种可以利用的工具了。

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国家地理-2008-03-20 Rho Ophiuchi Cloud 璀璨的星云

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国家地理2008年

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Voice 1 Welcome to Spotlight. Im Katy Blake. Voice 2 And Im Christy VanArragon. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 Small, shiny shells. Roun

发表于:2018-12-19 / 阅读(268) / 评论(0)

环球英语 Spotlight

【突破英文词汇】prot, proto -- first 第一

1. protagonist /prəˈtgənɪst/ -- the leading(first) character in a play, novel or story Brutus is the protagonist in William Shakespeare's Julius Caesar and Antony is the antagonist. 布鲁特斯在威廉莎士比亚的《尤利乌斯凯撒》中是

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突破英文词汇

第64期: dream, star, identical, kettle, lack

说一口流利的英语，从简单的单词开始。听听，读读，背背，今天你的词汇量又增加了5个。单词/词义中英例句单词听读 dream [ dri:m ] His dream of being a d

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Scientists Observe Birth of Huge Galaxy Cluster For the first time ever, astronomers have observed the birth of a galaxy cluster, known as a protocluster. The event, billions of light-years away, could form one of the largest-known structures in toda

发表于:2019-01-03 / 阅读(237) / 评论(0)

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专业术语—中草药成分英汉对照词汇P2

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医务英语

英文儿童歌曲:Twinkle, twinkle, little star

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经典歌曲-寻找星星Look For A Star希利

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发表于:2019-01-10 / 阅读(215) / 评论(0)

经典英文歌曲

英语歌曲:Little Star 我没有什么特别我只是颗平凡

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E乐吧

Tinker Bell remembered by star on Walk of Fame

LOS ANGELES, Sept. 21 (Xinhua) -- As an iconic figure of the Disney（迪斯尼） empire, the 100-old cartoon character Tinker Bell has been remembered with a new star set on the famed Hollywood Walk of Fame in a ceremony held on Tuesday. The suppor

发表于:2019-01-11 / 阅读(243) / 评论(0)

英语新闻

VOA常速英语2007年-Australia's New PM Signs Kyoto Protocol on Clim

By Phil Mercer Sydney 03 December 2007 Kevin Rudd has been sworn in as Australia's new Prime Minister with an agenda of action on climate change and the repeal of unpopular industrial laws. The new government has signed the Kyoto Protocol on climate

发表于:2019-01-25 / 阅读(232) / 评论(0)

VOA常速英语2007年（十二月）

英语歌曲:Star Mile

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发表于:2019-02-04 / 阅读(264) / 评论(0)

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今天我们要学的词是all star。 All star全明星。All star game全明星赛。The 80th Major League Baseball All-star Game will be played on Tuesday night, 美国职业棒球大联盟第80届全明星赛星期二晚上举行。 Tickets for t

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英语博客:The Star Wars Death Star

One of the obsessions you will find in our family is Star Wars. My second son, Cass, has been saving his pocket money, birthday, and Christmas money to buy one of the biggest Star Wars Lego toys: The Death Star. For those of you who are fans, or, at

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英语博客 A cup of English

英语歌曲:Northern Star

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好听的英文歌曲

学个词Learn a Word 第767期 All star

发表于:2019-02-07 / 阅读(214) / 评论(0)

英语单词荟萃

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In 2001, a team from Tel Aviv University argued that B. permians were almost identical to a strain of modern bacteria, Bacillus marismortui, found in the Dead Sea. 2001年，以色列特拉维夫大学的一个小组认为，二叠纪芽孢杆菌与一

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【英语时差8，16】太阳为什么发光

What makes the sun shine? For a lot of folks, this is the kind of thing that doesn't even require explanation: it just does. But just being a commonplace phenomenon in no way explains it. Something must cause the sun to shine. And, in fact, there is

发表于:2019-02-23 / 阅读(250) / 评论(0)

英语时差8，16

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The British actor Alan Rickman has died of cancer at the age of 69. In movies, he won fame for his role as Severus Snape in the Harry Potter series and before that in films such as Truly Madly Deeply, Love Actually, Die Hard, Sense and Sensibility an

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chemically pumped molecular laser