[jì niàn]
（表示懷念） commemorate; mark
commemorative activities
紀念活動
observe International Children's Day
紀念國際兒童節
hold a commemoration meeting
舉行紀念大會
We caused a medal to be struck in commemoration of this discovery.
我們鑄造了一枚徽章來紀念這個發現。
（紀念物） souvenir; keepsake; memento
keep sth. as a souvenir
留個紀念
My friend gave me his picture as a keepsake before going away.
我的朋友在離別前給我一張照片留作紀念。
（用來表示紀念的） commemorative