Keys
n. 关键帧；（钢琴等的）键；密钥（key的复数）
🗣️ 情景例句
He couldn't teach such dull children.
他教不了这么笨的孩子。
Happy is he that is happy in his children.
对自己孩子感到高兴的，才是幸福的人。
You should have a mind of your own.
你必须有自己的主见。