M-theory
n. M理论\\n
🧩 词语组成解析
🗣️ 情景例句
I've been studying all day, and I'm sick and tired of it.
我学了一天，现在感到厌倦。
Nothing crave, nothing have.
有求才有应。
Some things are collected deliberately in the home in an attempt to avoid waste.
居家度日，有目的地收藏某些东西是为了防止浪费。