Paleornithology
n. 古鳥類學,鳥類化石學
??? 情景例句
May I have your name and number, please?
請問你的姓名和電話號碼？
The athletes competed for the honor of their country.
選手們為了國家的榮譽而互相競賽。
If we could actually see the path described by a particle,such as a sand grain in the rock,
假如我們真能看到的運動軌跡，諸如巖石中一個沙粒分子