🧩 词语组成解析
n. [天]南河三（小犬座α）
🗣️ 情景例句
Sure. We've been in business about five years now.
当然。我们创业至今有五年的历史。
The pressuer of work was too great for him.
工作压力使他承受不了。
Some types of birds cannot fly.
有些种类的鸟不会飞。