来自古英语merran,毁坏，损毁，来自Proto-Germanic*marzjan,来自PIE*mers,骚扰，使混乱，可能来自PIE*mer,刮，磨，伤害，词源同mortar.

1. In twenty years of mar-riage he has only taken two proper vacations.

结婚二十年里，他只像样地度过两次假。

2. Don't allow a minor irritation in the workplace to mar your ambitions.

不要让工作中的一点烦心事打击了你的雄心抱负。

3. MAR, GMP - 140 were higher and EPM was lower in treated group than those in healthy group.

与老年人健康组比较,LI组MAR和 GMP-140水平升高,而EPM水平降低.

4. Matrix attachment region ( MAR ) is the DNA sequence that binds to nuclear matrice in eukaryote organisms.

核基质结合区 ( MAR ) 是真核生物中能与核基质结合的DNA片段.

5. It was not the custom for elderly people to mar the picnics with their presence.

大人们照例不参加这样的野餐以免扫兴.