hydrogen

英 ['ha?dr?d?(?)n] 美['ha?dr?d??n]
  • n. [化學] 氫

CET4TEM4IELTS考研TOEFLCET6中低頻詞常用詞匯

詞態變化


復數:?hydrogens;

助記提示


So called because it forms water when exposed to oxygen.
顧名思義,就是遇氧可以生成水的氣體。

中文詞源


hydrogen 氫,氫氣

hydro-,水,-gen,生成,詞源同generate.因氫接觸氧氣生成水而得名。

英文詞源


hydrogen
hydrogen: [18] Greek húdōr ‘water’ (a distant relative of English water) has been a prolific source of English vocabulary. Amongst its contributions are hydrangea [18] (literally ‘water-vessel’, so named from the cuplike shape of its seedpods), hydrant [19], hydrate [18], hydraulic [17] (literally ‘of a water-pipe’), hydrofoil [20], and hydroponics [20] (literally ‘water-culture’). Hydrogen itself means literally ‘generating water’, and was coined in French as hydrogène in the late 1780s for hydrogen’s property of forming water when oxidized. It is first recorded in English in 1791.
=> water
hydrogen (n.)
1791, from French hydrogène, coined 1787 by G. de Morveau, Lavoisier, Berthollet, and Fourcroy from Greek hydr-, stem of hydor "water" (see water (n.1)) + French -gène "producing" (see -gen). So called because it forms water when exposed to oxygen. Nativized in Russian as vodorod; in German, it is wasserstoff, "water-stuff." An earlier name for it in English was Cavendish's inflammable air (1767). Hydrogen bomb first recorded 1947; shortened form H-bomb is from 1950.

雙語例句


1. Hydrogen is used extensively in industry for the production of ammonia.
氫氣在工業上廣泛用于制氨。

來自柯林斯例句

2. He mobilized public opinion all over the world against hydrogen-bomb tests.
他動員全世界的輿論反對氫彈試驗。

來自柯林斯例句

3. A hydrogen leak forced NASA to ground the space shuttle.
氫氣泄漏迫使美國國家航空航天局停止了航天飛機的發射。

來自柯林斯例句

4. Carbon, hydrogen and oxygen combine chemically to form carbohydrates and fats.
碳、氫、氧化合形成碳水化合物和脂肪。

來自柯林斯例句

5. In May engineers found a leak in a hydrogen fuel line.
5月份工程師們在一條氫燃料管線上發現一條裂隙。

來自柯林斯例句

主站蜘蛛池模板: 两个人看的WWW在线观看| 成人精品视频一区二区三区| 把水管开水放b里是什么感觉 | 老阿姨哔哩哔哩b站肉片茄子芒果 老阿姨哔哩哔哩b站肉片茄子芒果 | 亚洲一级在线观看| 三上悠亚在线电影| 国产chinesehd精品酒店| 欧美亚洲综合视频| 少妇无码太爽了视频在线播放| 国产真实乱对白精彩| 亚洲免费网站在线观看| 一本色道久久88加勒比—综合| 高h全肉动漫在线观看免费| 特级毛片a级毛片免费播放| 天天摸天天做天天爽水多| 国产亚洲午夜精品| 亚洲国产精品嫩草影院久久| 一级性生活视频| 色综合天天综合网站中国| 朝桐光中文字幕| 处破女18分钟完整版| 啪啪调教所29下拉式免费阅读| 亚洲av无码不卡一区二区三区| 色婷婷综合久久久| 毛片一级在线观看| 小少呦萝粉国产| 亚洲黄色片免费看| 一本加勒比hezyo东京re高清| 白白色免费在线视频| 成全高清视频免费观看| 全彩里番acg里番本子h| a一级日本特黄aaa大片| 精品国产乱码久久久久久1区2区| 日韩在线a视频免费播放| 国产精品欧美亚洲区| 亚洲av日韩aⅴ无码色老头| 18末成年禁止观看试看一分钟| 狂野欧美激情性xxxx| 国产精品免费观看调教网| 亚洲日韩中文无码久久| 99色在线观看|