观察你的速度！
Carry a tripod or watch that your shutter speed is fast enough to prevent camera shake.
使用三脚架拍摄或者设置较快的快门速度以防止相机抖动。
As you are training your vocal system, watch the speed of your speaking.
在训练自己的发声系统时，要留意自己的语速。
Watch out for sharp bends and adjust your speed accordingly.
当心急转弯，相应调整车速。
Watch out for sharp bends and adjust your speed accordingly.
当心急转弯，相应调整车速。
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