释义 |
jumper2/ˈdʒʌmpə/n. 1 a person or animal that jumps 跳跃者,跳跃的人(动物) 2 Electr. a short wire used to shorten a circuit or close it temporarily 【电】跳线,跨接线 3 a rope made fast to keep a yard, mast, etc., from jumping (稳住横杆、帆桁等的)支索 4 a heavy chisel-ended iron bar for drilling blast-holes 冲击凿杆 |