中英释义：
双语例句
新的饮食计划承诺在四周内让你变得更瘦的。
The new diet plan promises to make you leaner in just four weeks.
这些探险队员在四周内作完了从上海到南极的困难航程。
The explorers accomplished the difficult voyage from Shanghai to the Antarctic Continent in four weeks.
重点词汇
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四周
all around; outside; perimeter; surrounding; around