long
stan
ding
1
长期的, 悠久的
having persisted or existed for a significant amount of time
- Their longstanding friendship began in elementary school and has endured through all the ups and downs of life.
他们长久的友谊从小学开始，经历了人生的所有起起落落。
- The company has a longstanding tradition of community involvement and philanthropy.
该公司有着悠久的社区参与和慈善传统。
- This longstanding dispute between the two nations dates back centuries and shows no sign of resolution.
两国之间的长期争端可以追溯到几个世纪前，而且没有解决的迹象。
- The restaurant is known for its longstanding commitment to using locally sourced ingredients in its dishes.
这家餐厅以其在菜肴中使用本地采购食材的长期承诺而闻名。
同义词：
2
资深的, 古老的
(of a person) having held a certain position, role, or relationship for a long time
- She is a longstanding member of the board, having served for over 20 years.
她是董事会的资深成员，已经服务了20多年。
- As a longstanding employee, he’s witnessed many changes in the company.
作为一名资深员工，他见证了公司的许多变化。
- The teacher was a longstanding figure at the school, respected by students and colleagues alike.
这位老师是学校里的一位资深人物，受到学生和同事的尊敬。
- He is a longstanding member of the organization, having served on the board for over twenty years.
他是该组织的长期成员，已在董事会任职超过二十年。