Photoassociation
光締合
??? 情景例句
What is your cancellation policy?
我怎么退票？
There is a tremendous responsibility involved in raising children.
養育孩子是一樁責任重大的事情。
There was danger that the wave would rebound off the other side of the bank and send the dish plunging into the water again.
但是當波浪從河對岸折回來時，就有再次把盤子拖進水里的危險。