该学会今年将举行10周年年庆。

The society is celebrating its tenth anniversary this year.

《柯林斯英汉双解大词典》

2008年7月29日：美国航空航天局50周年庆。

50th Anniversary of NASA -july 29th, 2008.

youdao

在华盛顿，组织者推迟了纪念马汀路德金的活动，原定于周日纪念金博士发表“我有一个梦想”演讲48周年庆与风暴不期而遇。

In Washington, organizers postponed the dedication of the Martin Luther King Jr. Memorial, set for Sunday to coincide with the 48th anniversary of Dr. King’s “I Have a Dream” speech.

youdao