| 释义 |
alpha /'selfs; 'selfs/ n the first letter (A, a) in the Gk alphabet: 希腊字母的第一个字母： A~ and Omega, the beginning and the end. 首尾; 始终。 → App 4. 参看附录四。 ~ particle, helium nucleus given off by a radio-active substance. 阿尔法质点 (放射性物质所放出的氯原子核) 。 ~ plus, (of marks in an examination) very good indeed. (考试记分) 甲上。 |