acorn

名词 acorn:

1. fruit of the oak tree: a smooth thin-walled nut in a woody cup-shaped base

1. The boy teases the dog by pebble it with acorn.
   男孩子们用橡树果打狗逗它玩。
2. A small cup-shaped structure or organ, such as the cup at the base of an acorn or one of the suckers on the feet of certain flies.
   杯形器具一种小型的杯状结构或器官，如橡树果实茎部的杯状物或位于某些苍蝇脚上的吸盘之一
3. Great oak from little acorn grow.
   大橡树生于小橡实。
4. There are many acorns on the oak tree.
   这棵橡树上有很多橡子。