acupuncture acuity n.尖锐, 敏锐, 激烈 puncture. n.刺穿, 刺孔 v.刺穿, 削弱 “needle“ (see acuity) + puncture.needle n. 针，针头；指针 thread n. 线 needle n.针 threat n. 威胁chewChewing gum 口香糖possess: mid-15c., “to hold, occupy, reside in“ possession tablet