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单词
hydrogen(H)
释义
hydrogen(H)
网络
氢;氢气
网络释义
1.
氢
《危险化学品安全周知卡》 - 豆丁网 ... 号 氧 oxygen O2 CAS 号
氢
hydrogen H
2 CAS 号 硫化氢 hydrogen sulfide H2S CAS ...
www.docin.com
2.
氢气
二氧化碳的英文全称和分子式?_百度知道 ... 氮气 nitrogen N2
氢气
hydrogen H
2 一氧化碳 carbon monoxide CO ...
zhidao.baidu.com
例句
释义:
氢,氢气
随便看
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perianth lobe
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perianth segment
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periaortic
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Periapical cemento-osseous dysplasia
英汉双解词典包含2704715条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。
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更新时间:2026/9/20 14:00:10