n.轴;中枢
The earth turns (ie rotates) on its axis once every 24 hours. 地球每24小时自转一圈。
A wheel revolves round/on its axis. 轮子是绕轴旋转的。
The earth's axis is the line between the North and South Poles. 地轴是南北极之间的线。
n.迷嬉装(长裙)
pref.表示“最大;最长”
anaphylaxisn.过敏性反应
praxisn.实践;现实;习惯;惯例;练习
prophylaxisn.预防
epistaxisn.[医]鼻出血;鼻衄