Chapter.15
课程：英语四级词汇 · 英文练习
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练习内容
[{"word":"mutual","pronun":"'mju:t\u0283u\u0259l","translation":" adj.\u76f8\u4e92\u7684 \u5171\u540c\u7684","audio":"word_mutual_661841ee_entry.mp3"},{"word":"slippery","pronun":"'slip\u0259ri","tran
课程：英语四级词汇 · 英文练习
-
[{"word":"mutual","pronun":"'mju:t\u0283u\u0259l","translation":" adj.\u76f8\u4e92\u7684 \u5171\u540c\u7684","audio":"word_mutual_661841ee_entry.mp3"},{"word":"slippery","pronun":"'slip\u0259ri","tran