...a car with a flat battery.是什么意思？

...a car with a flat battery.

电瓶没电了的汽车

car

n. 汽车，车厢，轿车；

例句
His car was held up and he was abducted by four gunmen...
他的车遭遇拦劫，随后他被4名持枪歹徒劫持。

with

prep. 和，跟，随着，关于，和…一致；

例句
A waiter entered with a tray...
侍者端着托盘进来了。

flat

adj. 平的，单调的，不景气的，干脆的；adv. （尤指贴着另一表面）平直地，断然地，水平地，直接地，完全地；n. 平地，公寓，平面；vt. 使变平，[音乐]使（音调）下降，尤指降半音；vi. 逐渐变平，[音乐]以降调唱（或奏）；

例句
I stumbled sideways before landing flat on my back, much to the amusement of the rest of the lads...
让其他小伙子们笑不可支的是，我被绊了一跤，身子一歪，结果仰面摔倒在地。

battery

n. [电]电池，蓄电池，[军]炮台，炮位，一组，[法]殴打；

例句
Free range and battery eggs, boiled for four minutes, were hard to tell apart.
柴鸡蛋和笼养鸡蛋在煮过4分钟之后很难区分。