四季英文縮寫字母是：Winter, Spring, Summer, Autumn。

Spring
S Summer
Su Autumn
A Winter
W

Spring: S, Summer: S, Autumn/Fall: A, Winter: W

spring 春 S summer 夏 S fall 秋 F winter 冬 W

The seasons in a chronological succession may be abbreviated using their initials: Spring as S, Summer as S, Autumn as A, and Winter as W.
Concisely encapsulated, the English phrases for the seasons become: Spring abbreviated as S, Summer simplifies to S, Autumn shrinks to A, and Winter reduces to W.

春天是Spr，夏天是Su，秋天是Autn，冬天是Wnt。

春夏秋冬分別用英文縮寫為SPNO。