Jdk
abbr. Java开发工具包（Java Developer's Kit）
🗣️ 情景例句
And here he is--Popo the Clown.
这位就是小丑Popo。
See, listen, and be silent, and you will live in peace.
多看多听少多嘴，你会太平过日子。
Why does aperson standing in a bus or train tend to fall when a sudden start is made?
一个人站在公共汽车或火车上，当车突然开动时，他为什么会倾倒呢？