Pj
abbr. 有功电度表；圆周喷射（Peripheral Jet）
🗣️ 情景例句
How do you feel about the last part of the letter?
你对最后一部分有什么看法呢？
Could you tell me where is the exit?
你能不是告诉我出口在哪里？
Which may keep company with the vessel for an hour without visible or more than occasional movement of wing.
它们随船飞行一小时也难得见其扇动一下翅膀。