accumulator
/əˈkju:mjuleɪtə(r); ə`kjumjəˌletɚ/ n
1 (Brit) storage battery that can be recharged, eg for a motor vehicle 蓄电池（如用於机动车辆者）.
2 (esp Brit) bet placed on a series of sporting events, esp horse races, with the winnings from each being staked on the next 累积赌注（尤指在赛马等连续赌博项目中, 将前次所赢的钱加在下一次之上者）.
3 device in a computer that stores and progressively adds numbers 累加器（计算机中储存并累积数目的装置）.