The onion is characterized by an edible bulb composed of leaves rich in sugar and a pungent oil.

洋葱的特征是：一种由许多叶办组成的可食用的鳞茎，其中富含糖份及一种具有刺激性气味的植物油。

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The onion is characterized by an edible bulb composed of leaves rich in sugar and a pungent oil.

洋葱的特征是：一种由许多叶办组成的可食用的鳞茎，其中富含糖份及一种具有刺激性气味的植物油。

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