juniors和seniors是什么意思

　　I wonder if blaming the juniors is entirely fair.

　　我常寻思，对晚辈后生的`这种责备是否完全公允。

　　I was the youngest ever to win the world juniors.

　　我是有史以来赢得世界少年赛的人当中年纪最小的。

　　Juniors at the top of the high school hierarchy?

　　低年级位于高中等级制度的顶端？

　　I created Teens Helping Seniors with my friends.

　　我和我的朋友一起创建了“青少年助老”这个机构。

　　Some seniors would even carry a tea kettle when they travel.

　　有些老人甚至在旅行时带着茶壶。

　　It's important to impress your seniors if you want to be promoted.

　　如果你想升职，给你的上级留下好印象很重要。