英语语法分析

And we also have what is called an accumulator.

我们也有称为蓄电池的东西。

The accumulator is empty in fifty five seconds.

蓄电池在55秒之内会变空。

There are no tricks, a trolley has an accumulator and a motor.

这不是什么把戏，在这推车装有一个蓄电池和一个发动机。