Borde
边界
🗣️ 情景例句
You're a real Stewart.
你是个真正的Stewart家后代。
Who is the president of this republic?
谁是这共和国的总统？
How did the bees know exactly in which diection to fly?
蜜蜂是怎样确切地知道朝哪个方向飞呢？