They (were) bent double crouching under the table.他们蜷著身子蹲在桌子底下
问题描述：
They (were) bent double crouching under the table.他们蜷著身子蹲在桌子底下
double作何解?
词典上的例句..
答
一起
柯林斯词典例句：
It was to have been a double wedding.
原本打算两件婚事一起办的.