Swapping system
[计] 对换系统
🧩 词语组成解析
[计] 交换, 调动, 转储
🗣️ 情景例句
Good afternoon. What's the trouble?
下午好。有什么不舒服吗？
Next week I must start my term paper for Poli Sci.
到下周，我必须着手写政治学的期末论文了。
Some old people are oppressed by the fear of death.
有些老年人因为怕死而感到烦恼。