lì / shǐ / kè / shàng / lǎo / shī / xiáng / xì / jiè / shào / le / Yán / cāng / shǐ / jié / tuán / chū / fǎng / de / bèi / jǐng / hé / yǐng / xiǎng历史课上,老师详细介绍了岩仓使节团出访的背景和影响。In history class, the teacher explained the background and impact of the Iwakura mission's overseas journey.