shal·lot /ʃəˈlɑt ||ˈʃælət/
  蔥
  Shal·lot n.  Bot. A small kind of onion (Allium Ascalonicum) growing in clusters, and ready for gathering in spring; a scallion, or eschalot.
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  shallot
       n 1: aggregated bulb of the multiplier onion
       2: type of onion plant producing small clustered mild-flavored
          bulbs used as seasoning [syn: eschalot, multiplier
          onion, Allium cepa aggregatum, Allium ascalonicum]
       3: small mild-flavored onion- or garlic-like clustered bulbs
          used for seasoning