Lì / shǐ / kè / shàng / lǎo / shī / jiǎng / jiě / le / yuán / bào / duì / chéng / shì / hé / jū / mín / zào / chéng / de / yǐng / xiǎng

历史课上，老师讲解了原爆对城市和居民造成的影响。

In history class, the teacher explained the impact of the atomic bomb explosion on cities and residents.