P-e
abbr. precipitation-environment (index) 从precipitation到environment（索引）
🗣️ 情景例句
Oh, here are my certificate of merit.
哦，这里是我的获奖证书。
That which one least anticipates soonest comes to pass.
事非逆料偏易发生。
Spring is a pretty season，
春天是一个好季节。