optimism的意思
optimism
基本释义
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n
乐观；乐观主义
a tendency to believe that good things will always happen
例句
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There are grounds for cautious optimism.
有理由保持谨慎乐观。
同根词
adj
adv
optimistically 乐观地；乐天地
n
optimist 乐观主义者；乐天派
vi
