Switching function
[计] 开关函数
🧩 词语组成解析
[计] 交换\\n[经] 转换, 调换, 调头
🗣️ 情景例句
Hello. What can I do for you?
你好。我能为你做点什么吗？
What makes life dreary is the want of motive.
没有目的，人生就黯淡无光。
Aeroplanes have the reputation of being dangerous and even hardened travellers are intimidated by them.
飞机以危险而著称，连老资格的旅行者也怕飞机。