jumper
jumper1
noun
jumper2
noun
noun
- (Brit.)a knitted garment typically with long sleeves, worn over the upper body
(英)（尤为长袖）毛线上衣 - (historical)a loose outer jacket worn by sailors
(史)（水手穿的）宽松短上衣 - (N. Amer.)a pinafore dress
(北美)围裙
- mid 19th cent. (in sense 2): probably from dialect jump 'short coat', perhaps from Scots jupe 'a man's (later also a woman's) loose jacket or tunic', via Old French from Arabic jubba. Compare with jibba
jumper2
noun
- a person or animal that jumps
跳跃者；跳高运动员；跳跃的动物 - (亦作 jumper wire)a short wire used to shorten an electric circuit or close it temporarily
跳线，跨接线（一种用于缩短或暂时关闭电路的短线） - (Nautical)a rope made fast to keep a yard or mast from jumping
(航海)支索（防止帆桁或桅杆移动而系紧的绳索） - a heavy chisel-ended iron bar for drilling blast holes
钻孔机；冲击钻杆（一种末端为凿子，用于钻凿钻孔的重铁杆） - a mushroom-shaped brass part in a tap which supports the washer
阀芯（水龙头里托住垫圈的蘑菇状铜制部件）
考试词汇表
