Pickeringite
镁明矾
🗣️ 情景例句
Hurt? What do you mean?
酸痛， 什么意思？
Please let me know.
请告诉我一声。
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，