音标：[dʒu:'^lәun] ；

胡桃醌, 5-羟-1, 4-萘醌

n. A yellow crystalline substance resembling quinone,
extracted from green shucks of the walnut (Juglans regia); -- called
also nucin.

juglone的用法和样例：

例句

Extraction and Determination of Total Flavonoid and Juglone in Juglans mandshurica Maxim.核桃楸总黄酮及胡桃醌含量测定。

alone和lone的区别

alone，lone 这一对词都有单独、孤单（having no other person or thing nearby）之意，但用法有所不同。就词性而言，alone既可作形容词，又可作副词；而lone只能作形容词，不能作副词。例如： He is al

发表于:2018-12-18 / 阅读(87) / 评论(0)

2018年VOA慢速英语(七)月

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A Haunting Music, Sole Perhaps and Lone A haunting music, sole perhaps and lone Supportress of the faery-roof, made moan Throughout, as fearful the whole charm might fade. Fresh carved cedar, mimicking a glade Of palm and plantain, met from either si

发表于:2019-01-02 / 阅读(46) / 评论(0)

济慈诗歌和书信选(英文版)

VOA标准英语2011--Guinea-Bissau's Lone Brewery Hopes to Ta

Guinea-Bissau's Lone Brewery Hopes to Tap National Pride Through coups, conflicts and other upheavals, one constant for many West African countries has been the presence of a national beer. After going years without one, Guinea-Bissau is now hoping t

发表于:2019-01-14 / 阅读(42) / 评论(0)

VOA标准英语2011年(六月)

学个词 Learn a Word-VOA英语教学 3005 lone wolf

今天我们要学的词是 lone wolf. Lone wolf 孤狼，指独来独往的人，单独行动的人。A new report argues that the term lone wolf terrorist can be counterproductive in the fight against terror because radicalization rarely happens in

发表于:2019-01-26 / 阅读(49) / 评论(0)

英语单词荟萃

VOA标准英语2010年-Britain in Shock After Lone Gunman Kil

Relatives of shooting victim Darren Rewcastle gather to lay flowers in Whitehaven, England where Rewcastle was killed during a shooting spree yesterday, 3 June 2010 Britain is in shock and police are looking for answers a day after police say a lone

发表于:2019-01-26 / 阅读(41) / 评论(0)

VOA标准英语2010年(六)月

The Crow and the Jug

A big，black crow wanted to drink some water．She saw a big jug with some water at the bottom，but she could not reach the water．I know，she said，I shall put some stones into the jug．Then the water will come up to the mouth． After the fir

发表于:2019-02-04 / 阅读(59) / 评论(0)

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