a jumper，意思是一个跳投。
例句：He missed his first shot, a jumper.
他的第一次跳投失手了。
I'm a jumper. - a what?
我是个跳越者，一个什么？
danci.911cha.com
When I was on the track team, I used to be a jumper.
过去我在田径队时，我是跳高运动员。
I was wearing a jumper and sports jacket not a suit and tie.
我穿的是毛衣和运动杉而不是西服领带。
A short blouse with sleeves worn under a jumper or pinafore dress.
穿在工作服或围裙下的有袖短上衣。
When play resumed, Robinson hit a jumper, and jawed in Paul's face.
当比赛恢复进行，罗宾逊投中一个跳投，下巴撞到了保罗的脸。
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