lì / shǐ / kè / shàng / lǎo / shī / jiě / shì / le / yà / xì / yà / zhōu / zhè / yí / jiù / chēng / de / lái / lì历史课上,老师解释了“亚细亚洲”这一旧称的来历。In history class, the teacher explained the origin of the old name for Asia.