footfall是”客容量”的意思吗？？

footfall:
n. 脚声,踏步,脚步

例句与用法:
1. A heavy footfall.
沉重的脚步声
2. I am like the road in the night listening to the footfalls of its memories in silence.
我象那夜间之路，正静悄悄地谛听着记忆的足音。

passenger capacity 客容量

不是