出处的英文：provenanceproveniencequarry参考例句：an unaccredited quotation.出处不明的引言The derivation of the poem isn't confirmed.这首诗出处不详。The author does not give references.作者没有注明参考文献的出处。You must...阅读全文
出铁的英文：tapholetaphole参考例句：To recover iron from its ores, the oxides are reduced by heating together with coke and limestone.为了从矿石中提炼铁，必须在铁氧化物中加焦炭和石灰石进行加热，还原出铁来。taphole是什么意思：n. 塞孔
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储量的英文：reserves参考例句：Geothermal deposit地热储量Abundant in petroleum deposits石油储量丰富Developed commercial reserve开发工业储量The crew started to eke out there scanty supply of fresh water.船员们开始节...阅读全文
血管的英文：veinartery参考例句：varicose veins.静脉曲张的血管intestinal vascular diseases肠道血管疾病peripheral vasodilators周围血管扩张药The study of blood and lymph vessels.血管淋巴管学，脉管学对血管和淋巴管的研究The condition of...阅读全文
