2 sentences for 苏 (Sū — Soviet)

1. 中苏边境贸易近年来发展迅速。

   Zhōng Sū biān​jìng mào​yì jìn​nián lái fā​zhǎn xùn​sù.

   Sino-Soviet border trade has developed rapidly in recent years.

   Source: Dong Chinese Dictionary

2. 美苏两国在二战后进入了长期的冷战。

   Měi Sū liǎng guó zài èr​zhàn hòu jìn​rù le cháng​qī de Lěng​zhàn.

   The United States and the Soviet Union entered a long Cold War after World War II.

   Source: Dong Chinese Dictionary