Permutator
转换开关, 变[交]换器
🗣️ 情景例句
and leave the number with the baby-sitter.
把餐厅的电话告诉临时保姆。
She doesn't come as ofter as she used to.
她现在已经不像以前那样常来了。
After taking off, we were flying low over the city and slowly gaining height,
起飞之后，我们在城市上空低低地飞行，然后慢慢爬高。