外交關(guān)系
diplomatic relations(or ties)
中華人民共和國和美利堅(jiān)合眾國商定自1979年1月1日起互相承認(rèn)并建立～。（中美建交公報(bào)）The People’s Republic of China and the United States of America have agreed to recognize each other and to establish diplomatic relations as of January 1,1979./建立～establish diplomatic relations/斷絕～ sever(or break off)diplomatic relations; diplomatic rupture/中止～suspend diplomatic relations/恢復(fù)～resume diplomatic relations /～升格upgrade diplomatic relations/～降格downgrade diplomatic relations/～破裂break off (or rupture)diplomatic relations