Catastrophe theory
[化] 突变论
🧩 词语组成解析
🗣️ 情景例句
Hello. Hello there. Are you ready for lunch with your grandpa?
哈喽 。哈喽 。 准备好跟你的祖父一起吃午饭吗？
Other buyers are satisfied with it, but we could delay it if you could pay 40 percent up front.
其他买主对这货物很满意，但如果你能先付40%货款，我们可以延迟交运。
I'd like to pick sea shells this afternoon.
今天下午我想去捡贝壳。