hydrogen
音標['haidr?d??n] 讀音漢語翻譯
n. 氫
【化】 氫H-2
【醫】 氫(1號元素)
詞型變化:
形容詞:hydrogenous 簡寫符號:H英文解釋:
名詞 hydrogen:
- a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe同義詞:H, atomic number 1
例句:
- Hydrogen and oxygen combine/Hydrogen combines with oxygen to form water.氫與氧化合成水。
- Water is composed of the elements hydrogen and oxygen.水是由氫元素和氧元素組成的。
- A molecule of water consists of two atoms of hydrogen and one atom of oxygen.水分子含有兩個氫原子和一個氧原子。
- Two atoms of hydrogen combine with one atom of oxygen to form a molecule of water.兩個氫原子和一個氧原子結合而成一個水分子。
- Hydrogen and oxygen are gases.氫和氧是氣體。
- Hydrogen is highly explosive.氫極易 * 。
- Water is composed of hydrogen and oxygen.水由氫和氧組成。
- Water contains hydrogen and oxygen.水含有氫和氧。
詳細解釋:
hy.dro.gen
n.Symbol H (名詞)符號 H A colorless, highly flammable gaseous element, the lightest of all gases and the most abundant element in the universe, used in the production of synthetic ammonia and methanol, in petroleum refining, in the hydrogenation of organic materials, as a reducing atmosphere, in oxyhydrogen torches, and in rocket fuels. Atomic number ; atomic weight .00797; melting point -259.4=C; boiling point -252.8=C; density at 0=C 0.08987 gram per liter; valence .See table at element 氫:一種無色,易燃的氣體物質,在所有氣體中最輕,而宇宙中最多用來生產合成氨和甲醇,提鍊石油,氫化有機物質作為收縮的氣體,用在氧氫焰熔接器和火箭燃料中。原子序數為;原子量為.00797;熔點為-259.4=C;沸點-252.8=C;零度時的密度是0.08987克/公升;原子價為參見 element
來源:French hydrogène 法文 hydrogène Greek hudro- [hydro-] 希臘語 hudro- [前綴] -gène [-gen] -gène [後綴]
【引伸】
hydrog.enous
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