lì / shǐ / kè / shàng / lǎo / shī / jiè / shào / le / Huá / yuē / yǔ / Běi / yuē / zhī / jiān / de / lěng / zhàn / duì / zhì

历史课上，老师介绍了华约与北约之间的冷战对峙。

In history class, the teacher introduced the Cold War confrontation between the Warsaw Pact and NATO.