Swapping system
[计] 对换系统
🧩 词语组成解析
[计] 交换, 调动, 转储
🗣️ 情景例句
Be careful not to drink the water in__.
小心点儿，不要乱喝水。
Is there any earlier one?
还有更早一点的吗？
but then she decided that at her age it might be more prudent to have someone with her,
但转念一想，像她这个年纪，最好找个人一起去。