gunpowder什么意思？

Gunpowder was used in China as far back as the 11 th century.远在公元11世纪,中国已使用火药.A smell of gunpowder penetrated the woods.森林中弥漫着火药味.Gunpowder was introduced into Europe during the first half of the 14 th century.在14世纪上半叶,火...

Gunpowder is composed of sulfur, carbon, and potassium nitrate.火药是由硫 、 碳和硝酸钾组成.A smell of gunpowder penetrated the woods.森林中弥漫着火药味.Gunpowder was used in China as far back as the 11 th century.远在公元11世纪,中国已使用火药.Gunpowder w...

gunpowder的音标：gunpowder的英式发音音标为：['gʌnpaʊdə(r)]gunpowder的美式发音音标为：['ɡʌnˌpaʊdɚ]...

“金箔匠”的英语可以翻译为：goldbeater ...

RICHARD BILTON : So where does all this leave a community like Mull?RICHARDBILTON:那么所有这一切会给穆尔岛这样的群体带来什么样的影响 呢 ?I'll leave you alone here so you can mull it over.我不打扰你了，你在这儿可以仔细考虑考虑这事儿。I sat there and tried to mull t...

研讨会内容是以普通听众容易理解为依据作出选择的。Seminar topics are chosen for their accessibility to a general audience.和多数研讨会一样，这些研讨会也比较松散随意。As seminars go, these are loose, unstructured affairs.研讨会不收会务费，而且还提供午餐。The seminars are free, with lun...

properties的音标：properties的英式发音音标为：[p'rɒpətɪz]properties的美式发音音标为：[p'rɒpətɪz]...

enamine的音标：enamine的英式发音音标为：[ɪ'næmɪn]enamine的美式发音音标为：['enəˌmin]...

The spilled liquid gasoline quickly evaporates, adding more HC pollution to the air.溅落的液态汽油迅速地蒸发, 给空气增添了更多的HC污染物.Hydrocortisone ( HC ), 11� � , 17α, 21 - trihydroxypregn - 4 - ene - 3,20 - dione, is an important grucocor...

lurker的音标：lurker的英式发音音标为：['lɜ:kə]lurker的美式发音音标为：['lɜkə]...

“监护”的拼音为：jiān hù...

ducdenin的音标：ducdenin的英式发音音标为：['dʌkdnɪn]ducdenin的美式发音音标为：['dʌkdnɪn]...

n.X射线星，甲基二硝基苯酚钠...

weeding的音标：weeding的英式发音音标为：['wi:dɪŋ]weeding的美式发音音标为：['widɪŋ]...

midbrain的音标：midbrain的英式发音音标为：['mɪdbreɪn]midbrain的美式发音音标为：['mɪdˌbren]...

Aim Enanthal diethyl acetal is prepared with heptaldehyde and triethyl orthoformate as raw materials.目的研究以庚醛和原甲酸三乙酯为原料制备庚醛二乙缩醛的工艺条件....

stigmatize的现在完成时为：stigmatized...

carrot的复数形式为：carrots...