在脑海中勾勒树木的形象，想象脚如同树根般深深扎根于大地，这能帮助你感受到静止稳定并调整你的姿势。
If you picture a tree, imagine your foot as the roots digging deeply into the earth and it will help you find stillness and correct your posture.
你得使汽车稳定并处于静止状态，这样你才可以修车。
You make the car stable and at rest, so you can then work on repair.
船自静止状态加速至稳定的设计航行速度，记录其航行时间、距离。
Record its sailing time, distance while the vessel accelerate from stationary state to stable design route speed.
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