Pby
abbr. Consolidated-Vultee PBY flying boat 统一伏尔提（飞行器公司）PBY飞船（代号）
🗣️ 情景例句
I heard that some tours actually go down into the canyon. Is that true?
我听说有的旅游团真正下到峡谷里去了。那是真的吗？
Feel free to bring your brother if he would like to come.
如果喜欢的话，你不妨带令兄一起来。
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，