十二月通常是一年中最忙碌的月份。
December is usually the busiest month of the year.
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busiest英 /ˈbɪziɪst/|美 /ˈbɪziɪst/
December is usually the busiest month of the year.
December is usually the busiest month of the year.
December is usually the busiest month of the year.
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