向上: upward; up弹: shoot; catapult向上弹射: eject upward; upright ejection; upward ejection向上弹射器: upward ejection catapult向上弹射座椅的脚踏板: upward-seat-type foot stirrup向上: 1.(从下往上) upward; up 卡车沿着盘山公路向上爬去。 the trucks climbed the twisting mountain road.2.(朝好的方向发展) make progress 好好学习, 天天向上。 study well and make progress every day机上弹射器: airborne catapult门上弹簧锁: door spring locks跑道上弹射: runway ejection; runwayejection上弹簧座: upper spring retainer; upper spring seat舰上弹射起飞: shipboard catapult launch舰上弹射装置: deck catapult; shipboard catapult舰上弹著修正: ship spot舰上弹着修正: shispot球从墙上弹回: the ball rebounded from the wall在跳板上弹跳: bounce on the springboard从跳板上弹起来: leap from the springboard垫上弹簧载荷量: spring capacity at pad球从篮板上弹回来: the ball rebounded from the backboard已上弹的子弹夹: loaded magazine装上弹药的武器: loaded weapon横向上: athwartships机向上: nose up面向上: brow-up; face up; upward facing上部,向上: top