Ypg
abbr. Yuma Proving Ground 尤馬試驗場
??? 情景例句
What are your favorite subjects?
喜歡哪些課程？
What do economists say about the present crisis?
經濟學家們對于現在的危機做何說法？
Sally was very excited because she had never travelled on a train before.
薩莉非常激動，因為她從未乘過火車。