英语释义
1. a widely cultivated Asian herb (Allium cepa) of the lily family with pungent edible bulbs also its bulb
2. any of various plants of the same genus as the onion
3. a round vegetable that is usually white, yellow, or red and has a strong smell and taste
4. the roundish edible bulb of a plant related to the lily that has a sharp odor and taste and is used as a vegetable and to season foods