extra tea顶上嫩茶
extraadj.额外的n.额外之物;临时演员adv.特别地
extracalyceal extravasation肾盏外渗
extra- high voltage lines超高压线路
extramembranous nephropathy膜外性肾病
extra-curricular activity课外活动
extraocular muscular ataxia眼外肌协调不能
extraembryonic membranes.胚胎外膜
extra-high-leaded brass超高铅黄铜
Extra Deep Armed Team Sweep特深武装扫雷队
extra-curricular teaching课外教学
Extra Regimental Employment团编制外雇用