autumn
US /ˈɑː.t̬əm/
UK /ˈɑː.t̬əm/

1.
mùa thu
the season after summer and before winter, in the Northern Hemisphere from September to November and in the Southern Hemisphere from March to May
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The leaves turn beautiful colors in autumn.
Lá chuyển màu đẹp vào mùa thu.
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We enjoy long walks during autumn.
Chúng tôi thích đi bộ dài vào mùa thu.
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