Commutative system
[计] 可交换系统
🧩 词语组成解析
a. 交替的, 交换的\\n[法] 交换的, 代替的, 互相的
🗣️ 情景例句
who have made my stay in the United States so wonderful.
是你们使得我在美国的生活如此多采多姿。
Proverbs are short sentences drawn from long experience.
谚语言短简，得自老经验。
Very strange. It was my first earthquake, you see, and I didn't know what was happening.
很奇怪。那是我第一次经历地震，你瞧，我当时还不知道发生了什么事。