běi jīng shén me jì jiē zuì měi
问:北京什么季节最美?
Q:What is the most beautiful season in Beijing?
qiū tiān zuì měi
答:秋天最美。
A:Autumn is the most beautiful.
[chūn tiān] 春天 (spring)
[xià tiān] 夏天 (summer)
[qiū tiān] 秋天 (autumn)
[dōng tiān] 冬天 (winter)