Permutator
转换开关, 变[交]换器
🗣️ 情景例句
Thanks, Grandpa. Please sit down.
谢谢你， 爷爷。请坐。
They that sow in tears shall reap in joy.
泪水汪汪播种，得意洋洋收获。
You see, the school will be expensive to run and we shall need a lot of good teachers.
你知道，办这所学校要花很多的钱，我们需要很多好教师。