英语词汇optimistic是什么意思，optimistic的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	optimistic
释义	optimistic　 [,ɒpti'mistik]a. 乐观的, 乐观主义的, 乐天的
随便看	insulation stand insulation strength insulation system insulation tape insulation test insulation test instrument insulation tester insulation testing insulation testing apparatus insulation testing set insulation thickness insulation tube insulation varnish insulation washer insulation wax insulation work insulative insulative insulator insulator insulator insulator insulator act ring insulator arc over insulator arcing horn

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