地磁水平分量（the horizontal component of terrestrial magnetism）的符号
海洛因（heroin）
abbr. (缩略词)
（铅笔心）硬的（=hard）
英英释义
Noun:
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
a unit of inductance in which an induced electromotive force of one volt is produced when the current is varied at the rate of one ampere per second
the constant of proportionality relating the energy of a photon to its frequency; approximately 6.626 x 10^-34 joule-second
the 8th letter of the Roman alphabet
(thermodynamics) a thermodynamic quantity equal to the internal energy of a system plus the product of its volume and pressure;
"enthalpy is the amount of energy in a system capable of doing mechanical work"
双语例句
1. Edwin H. Conger was envoy extraordinary and Minister Plenipotentiary.
埃德温·H.康格是特命全权公使。
来自柯林斯例句
2. The chemical formula for water is H 2 O.
水的化学分子式是H2O.
来自《简明英汉词典》
3. The second quotation is from an essay that D H Lawrence wrote in the nineteen-twenties.
第二段引文出自D.H.劳伦斯20世纪20年代写的一篇文章。
来自柯林斯例句
4. D H Lawrence immortalised her in his novel "Women in Love". D.H.
劳伦斯在小说《恋爱中的女人》中把她塑造成了一个不朽的角色。
来自柯林斯例句
5. By the third lap Kinkead had touched 289 m.p.h.
