| 单词 | painstaking |
| 释义 | Word Frequency painstaking(ˈpeɪnzˌteɪkɪŋ) adjective extremely careful, esp as to fine detail painstaking research Derived forms painstakingly (ˈpainsˌtakingly) adverb painstakingness (ˈpainsˌtakingness) noun |
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