Undefinition
[计] 未定义, 未定界
🗣️ 情景例句
so I can study it.
以便我好好研究。
Learning makes a good man better and ill man worse.
知识能使好人更好，坏人更坏。
All that afternoon, I jumped and sang and did all kinds of things.
那天整个下午我跳呀，唱呀，做出各种样子逗她。