Commutative controller
[计] 交换控制器
🧩 词语组成解析
a. 交替的, 交换的\\n[法] 交换的, 代替的, 互相的
controller
[kən'trəulə]
n. 管理者;控制者;（机器的）控制器;（公司的）财务总管;
🗣️ 情景例句
It's about the size of the United States, but it has a population of only 16.5 million.
它和美国一般大，但人口却只有一千六百五十万。
The death of wolves is the safety of the sheep.
群狼一死众羊安。
Ken gave up smoking two years ago. He'd been smoking for thirty years.
两年前肯戒了烟，之前他抽了三十年烟。