autumn這個(gè)單詞作名詞意思是秋天，秋季，成熟期，作形容詞意思是秋季的，秋天的，它是可數(shù)名詞，復(fù)數(shù)為autumns 擴(kuò)展資料The precipitation conditional analysis of the typhoons landing in western Guangdong during autumns秋季粵西登陸臺(tái)風(fēng)的'降水分析The autumns in Beijing are very beautiful.北京的秋天都很美。

Transpiration rate of seedling on sun day surpass that of cloudy day and summers surpass autumns.各樹(shù)種在不同月份、不同天氣狀況下的蒸騰速率日變化規(guī)律不同。Autumns are also drier, so grapes can be left to ripen on the vines longer.秋季也很干燥，因此成熟的葡萄可在樹(shù)上保存更長(zhǎng)時(shí)間。