Peac
abbr. Photoelectric Alignment Collimator 光电（定线）准直仪
🗣️ 情景例句
Now that illiteracy is not so wide spread, people everywhere are free to enjoy great literature.
现在文盲不是很普遍，世界各地的人都可以很自由地欣赏文学作品。
What is the total circulation of this newspaper.
这家报纸总发行量多少？
so it will soon be sending up four astronauts to repair it.
为此将把4名宇航员送入太空修复望远镜。