今天我们要学的词是invitation. Invitation 名词，意思是邀请，邀请函。
Russian Foreign Minister Sergey Lavrov accepted an invitation to visit North Korea last month. 俄罗斯外交部长拉夫罗夫上个月接受了出访朝鲜的邀请。
The United States withdrew an invitation for China to participate in a multinational naval drill hosted by the U.S. 美国撤销了邀请中国参加一次由美国主办的多国联合海上军事演习的邀约。
好的，我们今天学习的词是 invitation, invitation, invitation...
