P-e
abbr. precipitation-environment (index) 从precipitation到environment（索引）
🗣️ 情景例句
I have room reserved.
我已订了房。
What time should I meet you at the station?
我几点中跟你在火车站碰头呢？
Some years ago an American psychiatrist named William Dement published experiments dealing with the recording of eye-movements during sleep.
前些年，美国一位精神病学者发表了一篇报告，报告中记录了眼球在睡眠时的活动情况。