shuttle
/ˈʃʌtl; `ʃʌtl/ n
1
(a) (in a loom) instrument that pulls the thread of weft between the threads of warp （织机的）梭, 梭子.
(b) (in a sewing-machine) holder that carries the lower thread to meet the upper thread to make a stitch （缝纫机的）滑梭, 摆梭.
2 aircraft, bus, etc that travels regularly between two places 穿梭班机、 公共汽车等（定时往返两地的）
I'm flying to Boston on the shuttle. 我将乘穿梭班机去波士顿.
3 (infml 口) = shuttlecock. shuttle, v [I, Tn]
(cause sth to) move or travel backwards and forwards, or to and fro （使某物）穿梭般往返移动.