这些照片是他对童年时光的回忆。

These photos are his ___remembrances of childhood.

她把旅途中收集的纪念品都放在一个盒子里。

She keeps all her travel ___remembrances in a special box.

每年我们都会举行纪念仪式来缅怀逝去的英雄。

Every year we hold a ___remembrance ceremony to honor the fallen heroes.