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本帖最后由 ItsThere 于 2017-5-4 12:32 编辑
ys98 发表于 2017-5-4 12:07 
油桃也算
stone fruit
noun
a fruit with flesh or pulp enclosing a stone, such as a peach, plum, or cherry.
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Stone fruit
From Wikipedia, the free encyclopedia
A stone fruit, also called a drupe, is a fruit with a large "stone" inside. The stone is sometimes called the seed, but that is a mistake, as the seed is inside the stone. The stones can also be called pits. Examples of stone fruits are peaches, nectarines, plums, lychees, mangoes, and cherries. These fruits are edible and used frequently in cooking.
As with all fruits, what the ordinary person talks about is often very different from what a botanist understands. Not all drupes have single large stones. Rasberries are a good example. To see their stones, the fruit has to be carefully broken open. Then the tiny stones can be seen inside. They are called stones because the seeds keep their covering (called an endocarp), not because they are large and hard.
The many small round parts that make up a raspberry each have a similar structure with a very small pit inside. The small parts are called drupelets, meaning little drupes. |
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带着宠物去旅游-大洋路3日 (2010-4-5) thief 
楼主:Y叔
发表于 2017-4-26 14:03
发表于 2017-4-26 14:11
