What's the difference between chive，shallot，scallion and spring onion ? chive n. 香葱，细香葱；韭黄 shallot n. 葱 scallion n. 青葱，冬葱；韭葱 spring onion 葱；（英）大葱；生吃的小洋葱 These words all have the meaning of “”葱“”？ What kind of 葱 do they represent ? I am very confused.