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cost-free
cost-free
英
[cost-free]
美
[cost-free]
中文释义
adj.& adv. 免费的[地]
单词分析
单词结构:
cost-free
字母数:9
记忆提示
🎯 重点记忆:
单词拼写:cost-free
核心含义:adj.& adv. 免费的[地]
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更新时间:2026-03-26 12:22:29