P-e
abbr. precipitation-environment (index) 从precipitation到environment（索引）
🗣️ 情景例句
We have two and a half hours.
还有两个半小时。
Bad influence.
教坏小孩。
The men got such a fright that they dropped the bag and ran away.
这两个人吓了一跳，扔下提包逃跑了。