Pj
abbr. 有功電度表；圓周噴射（Peripheral Jet）
??? 情景例句
Having their origins in China, chopsticks are used in many Asian countries.
筷子起源于中國，現(xiàn)在很多的亞洲國家都使用它。
Where are you going?
你要去哪里？
As the parents had five children, life was a perpetual struggle against poverty.
家里已有5個孩子，全家人常年在貧困中掙扎。