Autumnal means relating to autumn, or typical of that season — the light, the weather, the colours. Autumnal leaves are red, gold, and brown. An autumnal evening is cool and a bit early-dark.

Autumnal Autumnal means是 relating to autumn, or typical of that season跟秋天有關，或是那個季節典型的樣子 — the light, the weather, the colours光線、天氣、顏色. Autumnal leavesautumnal 的樹葉 are red, gold, and brown是紅色、金色和棕色. An autumnal evening一個 autumnal 的傍晚 is cool and a bit early-dark涼涼的，天也黑得比較早.

It is a little more formal and writerly than just putting autumn in front of a noun. In everyday talk, people often say autumn colours or, in American English, fall weather, and save autumnal for writing, weather reports, and shops selling candles.

It is a little more formal and writerly它比較正式一點、也文謅謅一點 than just putting autumn in front of a noun比直接把 autumn 放在名詞前面. In everyday talk日常說話 people often say autumn colours大家常說 autumn colours, or, in American English, fall weather或是美式英文的 fall weather, and save autumnal for writing, weather reports, and shops selling candles把 autumnal 留給寫作、天氣報告和賣蠟燭的店.

Though actually, it can also name a feeling, not only a date on the calendar: an autumnal mood is quiet, a bit sad, a bit golden. If you only need “of that season,” the plain word autumn is always safe and never sounds stiff.

Though actually不過事實上, it can also name a feeling它也可以指一種感覺, not only a date on the calendar不只是日曆上的日期: an autumnal mood is quiet, a bit sad, a bit goldenan autumnal mood 是安靜的、有點感傷、有點金黃色的. If you only need "of that season"如果你只是需要「那個季節的」, the plain word autumn is always safe and never sounds stiff直接用 autumn 這個樸素的字永遠安全，也不會聽起來很生硬.