autumnal

adj.

秋的，秋天的，已过中年的；

autumnal equinox秋分

1. The day was warm, autumnal, and rainy.
   时值温和的细雨濛濛的秋天。
2. I feel a little cool in the autumnal night.
   在秋天的晚上，我感到一丝凉意。
3. The weather in June was positively autumnal.
   那六月的天气真像秋天似的。

Autumnal Mixed-Phase Cloudy Boundary Layers in the Arctic
Autumnal Mixed-Phase Cloudy Boundary Layers in the Arctic.
Autumnal Habitat Shift of Juvenile Atlantic Salmon (Salmo salar) in a ...
The role of ragweed pollen in autumnal asthma
Autumnal Processing of Dissolved Organic Matter in a Small Woodland Stream Ecosystem
Biochemistry of Indian summer: physiology of autumnal leaf coloration.
Physiological significance of anthocyanins during autumnal leaf senescence
Deferred costs of compensatory growth after autumnal food shortage in juvenile salmon.
Endocrine Correlates of Autumnal Behavior in Sedentary and Migratory Individuals of a Partially Migratory Population of the European...
Energy flow in a woodland stream ecosystem. I. Tissue support trophic structure of the autumnal community