Keys
n. 关键帧；（钢琴等的）键；密钥（key的复数）
🗣️ 情景例句
Fine. We were just wondering about this trunk.
好啦。我们正纳闷这只大衣箱呢。
The best mirror is an old friend.
老朋友是最好的镜子。
What did you eat yesterday?
你昨天吃了什么呢？