本义：击，敲打。
是谁慢慢地来到我的门前轻轻地敲叩？
长期以来，神经科学家研究的都是单一的动作，比如脚踝翻转或者叩指动作。
Neuroscientists have long studied isolated movements such as ankle rotations or finger tapping.
旅客要在每个生人门口敲叩，才能敲到自己的家门，人要在外面到处漂流，最后才能走到最深的内殿。
The traveller has to knock at every alien door to come to his own, and one has to wander through all the outer worlds to reach the innermost shrine at the end.
应用推荐