The car battery doesn't need to last the entire drive, just enough to spark the ignition.
汽车的电池也是不需要用在开车的全部过程中的，只要用它能启动就够了。
2
The typical starting system includes the battery, the starting motor and the solenoid switch (ignition switch), and the cables which connect these components.
典型的启动系统包括蓄电池、启动电机、电磁开关、启动开关(点火开关)和连接电线组成。
3
A battery provides the electric power to operate the starting motor and the ignition system during cranking.