The fat, round part of a plant that grows under the ground on the stem, stores food for the plant, and can grow into a new plant by itself. A potato is the tuber everyone knows; sweet potatoes, yams, taro and dahlias have them too.

The fat, round part of a plant植物上又肥又圓的一部分，that grows under the ground on the stem長在莖上、埋在土裡，stores food for the plant幫植物儲存養分，and can grow into a new plant by itself自己就能長成一株新的植物。A potato is the tuber everyone knows馬鈴薯就是大家最熟悉的tuber（塊莖）；sweet potatoes, yams, taro and dahlias have them too地瓜、山藥、芋頭和大理花也都有塊莖。

Two things make a tuber a tuber, and students usually only remember the first: it is swollen and underground, yes — but it is also a piece of STEM, not a root, and it carries buds (the 'eyes' on a potato) that can sprout. That is why you can cut a potato into pieces and plant them.

Two things make a tuber a tuber有兩件事讓塊莖成為塊莖，and students usually only remember the first學生通常只記得第一件：it is swollen and underground, yes沒錯，它是腫脹、埋在土裡的——but it is also a piece of STEM, not a root但它其實是一段莖，不是根，and it carries buds (the 'eyes' on a potato) that can sprout而且它帶有能發芽的芽眼（就是馬鈴薯上的那些「眼睛」）。That is why you can cut a potato into pieces and plant them這就是為什麼你可以把馬鈴薯切塊拿去種。

A carrot is not a tuber; it is a root, and a cut piece of carrot grows nothing. The word is mainly used in biology, gardening and cooking-with-explaining; in ordinary talk people just say 'potato'.

A carrot is not a tuber紅蘿蔔不是塊莖；it is a root它是根，and a cut piece of carrot grows nothing切一段紅蘿蔔下去種什麼也長不出來。The word is mainly used in biology, gardening and cooking-with-explaining這個字主要用在生物、園藝，還有需要解釋的烹飪文章裡；in ordinary talk people just say 'potato'平常說話大家就直接說'potato'。