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英汉词典
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be at pains to do sth
be at pains to do sth
英
[be at pains to do sth]
美
[be at pains to do sth]
中文释义
下苦功; 花大力气
单词分析
单词结构:
be at pains to do sth
字母数:21
记忆提示
🎯 重点记忆:
单词拼写:be at pains to do sth
核心含义:下苦功; 花大力气
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更新时间:2026-04-11 23:52:04