抓住,理解
Prehension \Pre*hen"sion\, n. [L. prehensio; cf. F. pr['e]hension. See {Prehensile}.] The act of taking hold, seizing, or grasping, as with the hand or other member.
prehension n : the act of gripping something firmly with the hands [syn: {grasping}, {taking hold}, {seizing}]