lì / shǐ / kè / shàng / lǎo / shī / jiè / shào / le / āi / jū / zài / fǎ / guó / huò / bì / shǐ / shàng / de / dì / wèi历史课上,老师介绍了埃居在法国货币史上的地位。In history class, the teacher explained the role of the écu in the history of French currency.