Gereology
[醫] 老年醫學, 老年病學, 老人學
??? 情景例句
Thank you.
謝謝。
Mr. Wagner, do you have a hotel reservation?
華格納先生，你預訂過旅館嗎？
We are trying to collect money for a wildlife project.
我們正在設法募集資金搞一個野生動物項目。