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英汉词典
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was at pains
was at pains
英
[was at pains]
美
[was at pains]
中文释义
prep. 费尽力气
单词分析
单词结构:
was at pains
字母数:12
记忆提示
🎯 重点记忆:
单词拼写:was at pains
核心含义:prep. 费尽力气
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更新时间:2026-03-11 07:28:29