Boundry
n. 边界；境界
🗣️ 情景例句
What does John do?
John现在做什么事？
What on earth has happened to trouble you so?
到底发生什么事让您如此发愁？
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？