Runners in a relay race pass a stick in one direction.
接力赛的选手向一个方向传递接力棒。
The tubes were attached to a long stick which helped keep_the_rocket_moving in a straight direction.
这些管子被系到一根长棍上，这根长棍可以帮助火箭笔直地运行。
The tubes were attached to a long stick which helped keep_the_rocket_moving in a straight direction.
这些管子被系到一根长棍上，这根长棍可以帮助火箭笔直地运行。
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