Photonics
[復(fù)]n.[用作單][物]光子學(xué)
??? 情景例句
Yes, quite good. How about a game sometime?
是的，非常好，什么時候來場比賽怎樣？
I know the boy whose father is a mailman.
我知道那個男孩的父親是郵差。
Can you try to get them to bring down the price?
你能讓他們降點價嗎？