英语词汇optimism and pessimism怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	optimism and pessimism
释义	optimism n — 乐观 n so and so— 云云 pessimism n — 悲观 n • 悲观主义 n and conj — 和 conj • 及 conj • 而 conj • 并 conj • 以及 conj • 与 conj • 且 conj • 而且 conj • 及其 conj • 载 conj • 暨 conj so-and-so— 某某
随便看	12 week scan 12 weeks pregnant 1-2 weeks time 12 week window 12-weight poling 12 welders 12-well-chamber 12-well plate 1 2 whole 12. without regard to the conflict of law provisions thereof 12w moving average 12 wolt 12 x 2 mm 12 x 2 mm 12x6 camera 12 x optical zoom and 4x digital zoom 12-year education system 12-year high 12-year history 12-year-old-boy 12 year period 12 year quality 12 years 12-year schooling 12 years from now

英汉双解词典包含2273206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。

optimism n —