🧩 词语组成解析
n. [天]南河三（小犬座α）
🗣️ 情景例句
What do you suppose he wanted?
你认为他想要什么？
Oh,don't worry about it.
哦，别担心。
Even if a piped water supply is safe at its source,
既使管道供水系统在水源处是安全的，