widow line

例句：

1. 1. The widow line is a symbol of mourning and remembrance.
   寡妇线是哀悼和纪念的象征。
2. 2.The widow line was a reminder of the loss of life in the war.
   寡妇线是战争死亡的提醒。
3. 3. The widow line was a symbol of hope and resilience for many people.
   寡妇线为许多人带来了希望和韧性的象征。