Camming
凸轮系统
🗣️ 情景例句
Hi, what can I do for you?
嗨，你好。我能为你做些什么？
A man is as old as he feels.
老不老，自己晓。
and realized that it was a sign that the child was growing up and developing valuable powers of observation and independent judgment,
并且意识到这象征着孩子们正在成熟和发展宝贵的观察力、独立判断力，