Lǎoshī / zài / kè / shàng / jiǎngjiě / le / zuìhòu / wǎncān / zài / Jīdūjiào / lìshǐ / zhōng / de / yìyì老师在课上讲解了最后晚餐在基督教历史中的意义。The teacher explained the significance of the Last Supper in Christian history.