Spirane
螺烷
🗣️ 情景例句
May I speak with Mr. Chen, please?
可以请陈先生听电话吗？
I ought to go to work now.
我应该现在去工作。
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，