Jfk
abbr. 约翰·菲茨杰拉德·肯尼迪（John Fitzgerald Kennedy）
🗣️ 情景例句
Who knows?
谁知道？
We have adopted much more flexible methods in our dealings.
我们在具体操作方法上灵活多了。
Then the teacher says, Stop and put your hands in front of you now.
“现在停止，并把手放在面前。”