switch

n.电闸，开关 v.接通，切断(电源)；转变

swimming-pool, swimming-trunks, swimmingly, swindle, swindler, swine, swine-fever, swing, swing bridge, swing shift, swing-boat, swing-door, swing-wing, swingeing, swipe, swirl, swish, Swiss, Swiss chard, Swiss roll, switch off, switch on, switch-blade, switch-man, switch-over, switch-yard, switchback, switchboard, switched-on, Switzerland, swivel, swizz, swizzle, swizzle-stick, swollen, swoon, swoop, swoop down on, swop, sword,