Combinatorial theory
[计] 组合论
🧩 词语组成解析
[计] 组合的
🗣️ 情景例句
Richard has a point. You're just beginning to look. Richard
说得对。你们只是开始看房子而已。
I'm from out of town.
我从城外面来。
Only the Earth provides ideal conditions, and even here it has taken more than four billion years for plant and animal life to evolve.
只有地球提供理想的条件，而即使在这里，植物和动物的进化也用了40亿年的时间。