n.橡樹果實；橡子
There are many acorns on the oak tree. 這棵橡樹上有很多橡子。
It was an acorn that the monkeys are fighting for. 這些猴子在搶橡子。
We will live on acorn noodles for the winter this year. 今年冬天，我們家就靠橡子面生活。
堅果
