杯形器具一種小型的杯狀結構或器官，如橡樹(shù)果實(shí)莖部的杯狀物或位于某些蒼蠅腳上的吸盤(pán)之一
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.
男孩子們用橡樹(shù)果打狗逗它玩。
The boy teases the dog by pebble it with acorn.
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