painstaking effort
查询英语单词中文释义、音标、发音和例句。
painstaking effort
英
[painstaking effort]
美
[painstaking effort]
中文释义
苦功;心血
单词分析
单词结构:
painstaking effort
字母数:18
记忆提示
🎯 重点记忆:
- 单词拼写:painstaking effort
- 核心含义: 苦功;心血
- 相关含义:心血
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更新时间:2026-09-01 03:05:17