Lìshǐ kè shàng / lǎoshī / jiǎngjiě / le / Mǎn Qīng zhèng fǔ / qiāndìng / bù píngděng tiáoyuē / de / bèijǐng

历史课上，老师讲解了满清政府签订不平等条约的背景。

In history class, the teacher explained the background of the Manchu Qing government signing unequal treaties.