Keys
n. 关键帧；（钢琴等的）键；密钥（key的复数）
🗣️ 情景例句
Did anyone find a camera bag this afternoon,a small canvas bag,on the J. F. Kennedy Ferry?…No?
请问今天下午有人捡到一个照像机旅行袋吗？一个小的粗帆布袋，是在J. F. Kennedy号渡船上丢的。……没有吗
Have you seen the doctor?
你看过医生了吗？
Which books did you buy?
您买的是两本什么书？