The war between the USSR and Finland in 1939–40. Heavily outnumbered by invading Soviet troops, the Finns were defeated and forced to cede western Karelia to the Soviet Union.
英语词典包含464360条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。