reflex movement

If they` re looking at the clock then it` s because they were watching you and following your eyes is a natural reflex to a sudden change of movement.

如果他/她也抬头看钟，说明他/她刚才确实在看你。要知道，跟着你的视线走是突然动作的最自然不过的反应了。

The rapid movement of an object towards the eye triggers the blink reflex.

快速朝眼前移动物体,就会引起眨眼反应.

CONCLUSION: The biceps femoris muscle can obtain the controllable reflex inhibition and muscular movement function with the method of electrostimulation in central fissure of spinal cord.

结论：采用脊髓中央裂电刺激的方法可以使股二头肌获得可控制的反射抑制和肌肉运动功能。

When gas is expels through the mouth in a sudden reflex movement.

当气体是驱逐通过口在一个突如其来的反射运动。

During the volleyball smashing teaching, adopt presentative exercise method to help students to understand correctly and master accurately the technique and movement of smashing, establish the correct conditioned reflex, form the correct pattern of movement, make movement instinctive.

在排球的扣球教学中，采用表象练习法帮助学生正确理解和准确掌握扣球技术动作，建立正确的条件反射，形成正确的动作定型，动作运用自动化。