stabilizer
noun [ C ] (UK usually stabiliser) uk/ˈsteɪ.bəl.aɪ.zər/ us/ˈsteɪ.bə.laɪ.zɚ/
(CONTROL)
finance & economics specialized , UK（对物价或生产水平的）平抑措施
a method used to limit sudden changes in prices or to limit the level of production
(CHEMICAL)
chemistry specialized稳定剂
a chemical that is added to something so that it stays in the same state
(FOR BALANCE)
engineering specialized（飞机的）水平尾翼;（船只的）减摇装置;（车辆的）稳定装置
a device that helps an aircraft, ship, or vehicle to balance
stabilizers[ plural ] UK (US training wheels) （儿童学骑自行车时安装在后轮两侧的）稳定轮
small wheels attached to each side of the back wheel of a bicycle to prevent it falling over when a child is learning to ride it
I had just progressed from a tiny red tricycle to riding a huge yellow proper bicycle, with stabilizers.