When I looked down there was no sign of the ship below.这句话怎样翻译,below是什么用法

问题描述:

When I looked down there was no sign of the ship below.这句话怎样翻译,below是什么用法

When I looked down there was no sign of the ship below.
我低头向下看时下面没有发现那船舶的影子.
below是副词 =下面.