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”
n.过敏性反应
n.实践；现实；习惯；惯例；练习
n.预防
n.[医]鼻出血；鼻衄
