Experts expect more graves will be found as ground once held by IS is uncovered.

专家认为随着过去被IS控制的领土逐渐被夺回，可能有更多乱葬坑被发现。

I jumped down to the ground, held my knife high over his heart, and brought it down as hard as I could.

我跳到地上， 把刀高高举在他的心脏上，用尽全力把它砍下来。

The girl attempted to lift her own feet, to go nearer to her friend, but the ground held them as fast as it held Cap'n Bill's foot.

女孩试图抬起自己的脚，想离她的朋友更近一些， 但是地面像抓住比尔船长的脚一样快速地抓住了它们。