Photoklystron
光電速調管
??? 情景例句
Hello, hello.... Oh, hi, Susan.
喂 喂……啊 嗨 Susan
Which one is yours?
哪一個是你的？
No. I've never been to that farm before. What kinds of animals have they got?
不，我以前從來沒有去過那個農場。他們有哪些種類的動物？