fall是什么意思

详细释义

• 0 If a roof or ceiling falls in, it drops to the ground because it is damaged. -- （屋顶或天花板）坍塌，塌陷

  • Ten miners were trapped underground when the roof of the tunnel fell in. 坑道顶部坍塌，10名矿工被困地下。

• 1 If soldiers fall in, they form a line or move in a line, one behind the other. -- 列队；集合

  • "Company, fall in!" shouted the sergeant-major. “全连集合！”军士长喊道。

  • He started to march away, and the others fell in behind him. 他开始大步前进，其他人列队紧随其后。