1. Unlike collagen injections, hyaluronic acid injections do not include an anesthetic agent. 与胶原注射一样，透明质酸注射剂不包括麻醉剂。
2. Objective To compare the effect of different anesthetic methods used for brain operation and to explore an ideal anesthetic methods of brain operation. 目的比较异氟醚和异丙酚在颅脑外科手术中的应用效果，探讨颅脑外科手术较理想的麻醉方法。
3. A poisonous alkaloid, C21H26N2O3, derived from the bark of a tree, Corynanthe yohimbe, and formerly used as an aphrodisiac, a local anesthetic, and a mydriatic. 育亨宾（宁碱）一种毒性生物碱，c21h26n2o3，从育亨宾树的树皮中提炼出来，以前被用作春药、局部麻醉剂和散瞳药。
英英解释
n.
1. a drug that causes temporary loss of bodily sensations
2. characterized by insensibility
