生命丧失 meaning in Chinese

loss of life {= l.o.l

On the morning of september 11 , over 5 , 500 innocent people died in terrorist attacks in the united states
九月十一日上午，五千五百多名无辜的生命丧失在对美国发起的恐怖袭击中。
This is especially true when many lives are lost and many more are at stake , and society is forced to cope with something terrible for the first time
当许多生命丧失，更多生命危在旦夕时，社会首次被迫对付某一种可怕的事情，这尤为重要，。